19 posts · Joined 2012. #1 · Dec 22, 2012. i have an active code P0340 for the cam sensor. i replaced the sensor and i still dont have any rpm. i checked the signal circuit at the ecm and its not showing any pulse so i replaced the cam connector and ran a new wire to the ecm for the cam signal. still no rpm. is my new cam sensor bad.new ground wire; oil change (Valvoline synthetic - 5W 30 - high mileage) ... 2012 Silverado 3500 dually, 6.0l, crew cab, long box replaced w flatbed. Save Share. ... I explained all that I have done and what the symptoms are, mostly it has been a rough idle / misfire, P0300, but the misfire count is only on cylinder 7. ...1. Check Engine Light. The most obvious sign that something is wrong with your car is the Check Engine Light. You may see this warning sign before there are any symptoms at all. However, the indicator light can be the only way to determine that the fuel rail pressure sensor is bad.Normally, shutting the truck off and turning it back on would fix it. Well today that wasnt the case. I started browsing and found the 3 causes are either the button pack, the TCCM, and the encoder motor. Well i went to look at the TCCM since it seemed the easiest after already checking the button pack and reflowing the solder which had no effect.Chevrolet Silverado 2017 Oct 18, 2016* Oct 21, 2016* All All GMC Sierra 2017 Oct 18, 2016* Oct 21, 2016* All All * Built at Ft. Wayne Assembly Plant (11th VIN Position "Z") ... Any of the symptoms listed for chassis ground locations G101, G102, G121, and G400 could by caused by a poor connection at this ground. - G311One of most common symptoms of a problem with the cruise control switch is a cruise control light that will not illuminate. The light should be illuminated as soon as the cruise control system is switched on to notify the driver that the system is activated. If the light does not come on, that may be an indicator that there may be a problem ...You'll also have difficulty staying in 4WD. A puddle might form below where the transfer case is located. It may also produce a grinding, growling, or humming noise. A transfer case will fail as a result of low fluid level (caused by leaks), a lack of maintenance, or normal wear and tear. Contentshide.One of most common symptoms of a problem with the cruise control switch is a cruise control light that will not illuminate. The light should be illuminated as soon as the cruise control system is switched on to notify the driver that the system is activated. If the light does not come on, that may be an indicator that there may be a problem ...Drag in vehicles. While you are driving your car, if you notice it feels sluggish or is dragging, there may be a problem with the parking brake. This could be the parking brake drum, the parking brake release cable, or both depending on the severity of the issue. Only a professional mechanic should diagnose this problem because it is a safety ...A knocking or clunking sound from the front of the vehicle when turning at low speeds can be a symptom of bad tie rods. As they become loose, tie rods can rattle around at the joints and links, causing the new noises you’re hearing. In addition, if the boot protecting the tie rod joint becomes damaged, dirt and debris can get in and make a ...Common Trouble Signs. One of the keys to diagnosing a problem with the body control module versus an issue with an individual component is sudden, unusual behavior. Examples include flashing dash lights, a stereo system switching from AM to CD in the middle of a broadcast, the horn honking when you put down a specific window or hazard lights ...Symptoms Of A Bad ABS Wheel Speed Sensor. The most common symptoms of a bad ABS sensor are an ABS warning light on the dashboard, pulsating brake pedal, loss of anti-lock brakes, or loss of traction control. You may also notice other warning lights on the dashboard, such as the check engine light or traction control light.2. Blown fuses. One of the first symptoms of a bad or failing AC blower motor relay is a blown AC blower motor relay circuit fuse. If the blower motor relay develops any sort of problem that hinders its ability to properly limit and distribute power, it may cause the blower motor fuse to blow. Any sort of electrical spikes or excessive current ...Feb 27, 2023 · Here is a more detailed list of the signs of a bad or failing coolant temperature sensor to look for: 1. Check Engine Light. One of the first signs of all coolant temperature sensor symptoms you will probably notice is that the check engine light will show up on your dashboard. If the computer detects any problem with the sensor’s circuit, it ...Step 1 – Check fuses and wiring. If any accessories have been added like a remote start or aftermarket sound equipment, the wiring may have been damaged or compromised. Sometimes, you have to remove them. Gauges that are not working could mean a faulty ignition switch. This has been an issue on this truck series.Pull the manifold off. The knock sensors are located underneath the black plugs connected to a wire harness. Pull the plugs out and unbolt both knock sensors using a 22mm deep well socket. Install the new sensors and torque them to exactly 15 ft-lbs. Apply some RTV to the rubber plugs to prevent water from entering.Mar 21, 2018 · I would continue to explore those wires. First of all, disconnect and reconnect one connector, then see if problem is fixed. The do same with the other connector. There could be a pin contact problem between the looms and the TCM. If no joy, then wiggle each loom and see which loom causes that change.Here down below is a more detailed list of the signs of a bad or failing clock spring to look for: 1. Airbag Warning Light. Even if your car does not have a lot of fancy functions, one thing it most likely has is an airbag inside the steering wheel. The airbag is a susceptible system, and the slightest fault will light up the airbag warning ...These are the seven most common signs of a bad ECU, and you have to check those symptoms to be certain your car ECU computer is going bad. 1. Car Won't Start. Car Won't Start. The engine control unit has control all over the car. So, the ECU computer must be working properly to start the engine and run it.Common Trouble Signs. One of the keys to diagnosing a problem with the body control module versus an issue with an individual component is sudden, unusual behavior. Examples include flashing dash lights, a stereo system switching from AM to CD in the middle of a broadcast, the horn honking when you put down a specific window or …The high speed data line includes the BCM, PCM, TCM, VCIM, FPFCM, EBCM, TCSCM, and the TBCM. My thoughts point towards blown fuse so start there, if all is good start by unplugging each of the modules one by one and pray you did not take out the pcm. If the high speed data line is shorted to ground, power, or together it will eliminate ...2003 Chevrolet Silverado 1500 LS 4WD-Maintenance & Repair. 2002 Chevy Silverado- gauges went ... speedo and fuel) and it won't shift out of 3rd gear—- could this be a Ground Problem? 1 Answer. Would a bad Ground, cause the Fuel, Tach and Speedo to stop working? And it won't shift out of 3 rd gear. 2002 Chevrolet Silverado 1500 LS Extended ...First of all, disconnect and reconnect one connector, then see if problem is fixed. The do same with the other connector. There could be a pin contact problem …The most common signs of bad ignition coils in Chevy Suburban are engine hesitation when accelerating or loss of power, rough idle, misfires, excessive fuel consumption, check engine light illuminates, and sometimes hard starting. In worst case scenario, if the ignition coils are in really bad condition, the engine will not start."Showing others what mental illness looks like in all its forms, good and bad, allows them the grace to learn and expand their views." Sometimes, when I think about my diagnosis of...Hello, You might consider checking the resistance of the new sensors to make sure they weren't bad out of the box. Resistance should be 93-107K ohms. According to the repair information I have, the torque is also important on these knock sensors, and both should be snugged down to 15 ft lbs.2. Issues with the high beams. Another symptom of a bad or failing headlight switch is issues operating the high beams and more specifically, issues keeping the high beam engaged. Most headlight switches operate by pulling the lever backwards and locking it into place to activate the high beam headlights. Over time however the switch can break ...The most common causes of dead battery in Silverado 1500 are internal degradation of the battery due to old age, and bad alternator - but can also be caused by parasitic draw, and if the vehicle has been parked for a long time. 1. Slow engine crank. The 12 volt battery is a vital component of the starting system in Chevy Silverado 1500.What I just did was test my ground strap, I put the positive lead on the pos terminal, then instead of placing the negative lead on the negative terminal i followed the ground strap to the bolt on the chasis, and the reading was jumping from -11.60 (almost battery voltage) and everything inbetween. The bolt was rusted. -Dec 5, 2017 · Common Trouble Signs. One of the keys to diagnosing a problem with the body control module versus an issue with an individual component is sudden, unusual behavior. Examples include flashing dash lights, a stereo system switching from AM to CD in the middle of a broadcast, the horn honking when you put down a specific window or hazard lights ...After performing the same clean and solder repair of the ends of the cable the problem persisted. At this point I realized that I would have to get a new cable. A Chevrolet negative battery cable from the dealer costs $100. Highway robbery if you asked me. You can find factory type cables on Amazon for less than $40.Look under the driver's floorboard area. You'll see a frame extension with ground wires bolted to it. Unbolt that ground and clean it REALLY well, down to bare metal, and clean all the wire contacts and put dielectric grease on everything and bolt it back together. '13 SLE 4x4 ExtCab 5.3 6sp 3.42 G80 Z82 Z60 Fire Red. Bought new. 25,750 …Native American burial grounds in Arizona are being blown up to make room for a 43-mile-long stretch of the US-Mexico border wall. President Trump’s border wall between the US and ...Summary. The four signs of a bad starter solenoid include an engine that won't start; the absence of a clicking noise when cranking the engine; a spinning starter without an engaged flywheel; and a slow-cranking engine. There are three ways to check if you have a bad starter solenoid: testing the battery, inspecting the starting circuit, and ...1. Car stalls while driving. One of the first symptoms of an issue with the ignition switch is a vehicle that suddenly stalls while the engine is operating. If the ignition switch fails while the engine is operating it may cut off power to the ignition and fuel systems, which will cause the engine to stall.Hopefully you all can help me out. First -. 2003 GMC 2500hd. 6.0 - 170k. Fairly Recent Fuel Pump, Spark Plugs, Oil Change, Cleaned TB and MAF sensor. I just pulled exhaust manifolds and replaced the gaskets. I now have a bad misfire. Only at an idle/low rpms. No CEL, but i did get a p0300 from the computer.Chevy Silverado misfire Fix Chevy Silverado misfire. Some Chevy Silverado owners with the 4.8L may encounter an intermittent P0300 misfire trouble code, along with excessive emissions, poor idle quality, hesitation, and stalling. You would normally start by checking your Chevy Silverado fuel trim with a scan tool.Usually a faulty instrument voltage regulator will produce a few symptoms that can alert the driver of a potential issue. 1. Dim or flickering gauges. One of the first symptoms of an issue with the voltage regulator is dim or flickering gauges. The voltage regulator provides power to the gauges, and can cause it shine dimly or flicker if it has ...Symptoms Of A Bad Ground Strap. When the ground strap is bad, you’ll notice flickering headlights or dashboard warning lights. It can also cause the battery not to charge, low battery voltage and trouble …Hello, You might consider checking the resistance of the new sensors to make sure they weren't bad out of the box. Resistance should be 93-107K ohms. According to the repair information I have, the torque is also important on these knock sensors, and both should be snugged down to 15 ft lbs.Both are misleading. The wiring diagrams state that the coils ground to G109, then in parenthesis it says (located on lower left of engine.) The pictures show G109 as being on the lower left of the engine. However jimmyjam's pictures showed G109 as being on the front of the motor towards the passenger's side.Symptoms Of Loose Battery Cables. When loose battery cables occur, you are going to have trouble starting the car. There could also be hot battery cables or terminals and trouble charging the car battery. Additionally, the headlights may flicker, the instrument cluster can blink, and the battery may drain. Let's look at these possible ...29 posts · Joined 2017. #1 · Nov 11, 2017. 2003 2500hd 4x4 6.0 ext cab auto. All power. Last week some of my cluster stopped working. I have speed, RPM. Bat, temp, fuel, oil, trans temp are dead, bat, airbag and brake lights on. Miles still so, but not going up. Cluster rebuilt in late Feb-early March of this year, just after I got the truck.Don't click here if you don't want to subscribe: https://shorturl.at/dhD35Visit our website for detailed car repairs tips: https://autovfix.com Bluetooth Pr...1. No cold air from the AC system. One of the first symptoms of a potential problem with the evaporator temperature switch is no cold air from the AC system. If the evaporator temperature switch fails or has any issues that causes it to send an incorrect signal to the AC system, it can affect the system's ability to produce cold air. 2.1,220. Asked by Jaidenspapa Jan 07, 2014 at 12:42 PM about the 2003 Chevrolet Silverado 1500 LS Extended Cab LB 4WD. Question type: Maintenance & Repair. I am having issues with my 2003 Silverado. it started out with the abs and parking brake light flashing with the audible chime. this happened briefly and intermittently. it progressed from ...In this video, you will learn 5 symptoms of a bad neutral safety switch. Watching this video will help you diagnose to see if it is time to replace your bad ...A look at the three main signs that you need to fix or change your oil pump: low oil pressure, high engine temperature, and noise. While most drivers may never need to change their oil pump, it is important to know the symptoms in case you are experiencing problems with your vehicle. Your oil pump is an integral part of your vehicle's engine ...After performing the same clean and solder repair of the ends of the cable the problem persisted. At this point I realized that I would have to get a new cable. A Chevrolet negative battery cable from the dealer costs $100. Highway robbery if you asked me. You can find factory type cables on Amazon for less than $40.The most common symptoms of a bad PCM are poor engine performance and a check engine light on your dashboard. You may also notice problems with the transmission, like shifting issues. Poor fuel economy and increased emissions are also quite common. While it's not common for a PCM to break, it does happen from time to time.Jan 8, 2016 · This symptom indicates a completely open electrical circuit inside the neutral safety switch which may be due to a faulty relay, blown fuse, or electrical problem with the switch itself. If the issue is with the switch, it will need to be replaced. 4. Engine cranks in any gear. Being able to crank the engine even when it is already running and ...The Silverado fuel tank pressure sensor or the one in any vehicle for that matter will inform the driver of the leak. It does this by illuminating the check engine light. The fuel tank pressure sensor can do so as it is connected to the vehicle's ECU. The check engine light is designed to be triggered by several important issues, but an OBD ...3. Fluid leaks. Another symptom of an issue with the vehicle's hydraulic brake booster is fluid leaks. If any of the seals or hoses that are a part of the hydraulic brake booster system wear out or rupture, they may leak fluid. Depending on the severity of the leak this may produce drips or puddles of hydraulic fluid beneath the vehicle.These are my symptoms: ... It is highly unlikely that you have more than one bad ground, but that one bad ground may affect a number of different circuits. The grounds are coded in the circuit diagrams, for example, "GND-03"; I am not sure where you find their actual location on the car, if it isn't shown in the service manual (it "should" be ...Bad grounds can be tricky the first time you see them. Here is a playlist I've created for other bad ground case studies https://youtube.com/playlist?list=PL...1. Clicking sound from the relay. One of the first symptoms of a problem with the fog light relay is an audible clicking noise from the relay. Many relays will produce a quiet audible click when they are switched on, however, an excessively loud click may be an indicator that the relay may be having internal issues. 2.3. Visually inspect the actuator to ensure it’s mounted properly and the linkage is not binding. Visually inspect the door lock actuator and linkage. 4. Remove the actuator connector. 5. Set your meter to the 20 volts DC scale. 6. Connect the negative meter lead to a good ground.I changed the fuel pump on my 1996 GMC Sierra earlier in the year. I cut through my truck bed right above the fuel pump so I would have easier access to it. For the most part my truck has been fine but I have had problems with the ground wire coming from the fuel pump. At first I thought it was just the old rusty bolt that grounds the fuel pump wire to the frame so I switched the bolt out.1,220. Asked by Jaidenspapa Jan 07, 2014 at 12:42 PM about the 2003 Chevrolet Silverado 1500 LS Extended Cab LB 4WD. Question type: Maintenance & Repair. I am having issues with my 2003 Silverado. it started out with the abs and parking brake light flashing with the audible chime. this happened briefly and intermittently. it progressed from ...Increased friction results in increased heat production, so if your oil pressure is too low, it will cause the engine temperature to increase, and could even lead to overheating. If your engine temperature warning light illuminates on your dash, it could be as a result of a bad oil pump. Some vehicles even have an oil temperature gauge that you ...Measure the voltage drop across a connection while trying to start the car: more than .25 volts across a connection indicates a problem. The voltage drop tests need to be done while cranking the engine. It's the current flowing through a connection or wire that causes the voltage drop.Here are some of the most common warning signs of a bad timing belt on the Chevy Silverado: 1. Engine Won't Start. If your Silverado's timing chain or belt has fallen off completely, broken, or has jumped a few teeth, it is entirely possible that the engine won't even start. You might hear it slapping around (broken timing belt or chain ...1. No cold air from the AC system. One of the first symptoms of a potential problem with the evaporator temperature switch is no cold air from the AC system. If the evaporator temperature switch fails or has any issues that causes it to send an incorrect signal to the AC system, it can affect the system's ability to produce cold air. 2.To diagnose bad fuel injectors in your Chevy S10, start by performing a fuel pressure test. This test helps you determine if the issue is related to fuel injectors, a fuel pump, or a fuel filter. Connect a fuel pressure gauge to the rail and check the pressure. If the pressure is within the specified range, you can rule out the fuel pump and ...For four dramatic days following the crash of Ethiopian Airlines Flight 302, as airlines and civil aviation authorities around the world grounded the Boeing ... For four dramatic d...Disconnect the battery: Disconnect the negative terminal (black) on the battery. Make sure to wrap it in a towel so it doesn't touch anything metal and create a spark. Remove the fuel filter: Locate the fuel filter, which is typically located along the fuel line under the vehicle, near the driver's side.The distributor contains a camshaft position sensor (CMP), but a bad CMP would not prevent starting. To diagnose Chevy Silverado won't start conditions with the 4.3 engine, start by checking for good fuel pressure. Then check for spark. If you don't see spark, check for pulsed ground to the IGN coil while cranking.2003 Silverado 1500 For the last couple of months, just randomly while driving, all of my dash gauges and warning lights would go off, and immediately come back on. ... Anything more than 0.1 or 0.2 volts indicates a bad ground and can control modules not to function properly. It doesn't sound like an alternator issue anymore but my mind went ...The easiest way to bypass the Passlock 2 system is to place a resistor between the passlock sensing wire and the ground reference wire. To find these wires, look for three wires that at some point are wrapped together, coming from the ignition barrel. Usually, they are orange/black, red/white, and black. They can also be yellow, red/white, and ...The most common symptoms of a bad blend door actuator include abnormal noises, incorrect climate control outlet temperature, and varying outlet temperatures. Electrical faults and damaged gears are some of the reasons why the blend door actuator can fail. Contentshide. 1.The symptoms listed below can all be caused by inadequate fuel supply to the engine: Rough starts or rough idle. Engine sputtering during acceleration. Loss of power output. Stumbling at higher RPMs. Unable to maintain highway speeds. Louder than normal whining or humming coming from the fuel tank.You also have to diagnose the connector of the transfer case shift control switch and the ground circuit for the ground. If the TCCM fails the self-test but all these circuits turn out fine, you have to replace the transfer case control module. The Service 4WD Message. It is normal to have this message sometimes.Anything over .3 ohms is going to cause problems. Most problems can be determined by process of elimination. Start by checking fuses—if the fuses check out, then check what the wire is controlling (e.g., light, sensor, motor). Next, check the circuit to make sure the wires are not damaged and have good continuity.Feb 18, 2021 · Refer to the above illustration to determine where the ground is located on the vehicle (1). Remove all rust from the ground terminal, the cylinder head and the retaining nut or bolt. Position the main engine wiring harness ground terminal and install the nut or bolt. Tighten the retaining nut or bolt to 16 N·m (12 lb ft).Overview of the electrical issues I've had with my '04 Silverado 1500.Feel free to ask questions in the comments! Thanks!*****...This is the steering column actuator. Noted below are a few of the warning signs and symptoms that may indicate that a problem with your steering column actuator exists. 1. Difficulty starting the car. When you turn the key on your ignition, it draws power from the battery and sends a signal to the starter to activate the process.1) Flickering lights. If the strap is loose, it can affect the performance of the headlights. It results in uneven electrical surges that could cause the lights to flicker. Left as is, it may eventually cause permanent damage to the light mechanisms. The lights are subjected to alternating surges and drops in power.Found bad ground on 2015 1500LT. I found a bad ground that is a common problem with some of the 1500 Silverados. This caused the stabilitrak to stop working along with the radio and Ac to randomly shut off and come back on. I fixed the issue and is hasn't come back since. 3 comments.2003 was a bad year on the dash clusters . the stepper motors were all defective. the connector at the cluster if F'ED with will caused your problem .. so if a person was a little too heavy handed on the wiring it could have messed up those very soft solder joints. if you are good at soldering just give the solder joints a slight touch to fix the loose connection use magnifying glass to inspect .The voltage should be between 13.5 and 14.8 volts with the engine running. Switch on the accessories in your Silverado 1500, for example, headlights, AC fan at full speed, and interior lights. The voltage should remain around 14 volts. If it drops and remain below 13.5 volts, it indicates a problem with the current supply from the alternator.A voltage is supplied directly to the EVAP Vent valve solenoid. The PCM controls the solenoid by grounding the control circuit via an internal switch called a driver. The primary function of the driver is to supply the ground for the controlled component. Each driver has a fault line which the PCM monitors.The camshaft position sensor helps your engine to fire the ignition properly and these are the 7 most common symptoms of a bad one. ... Locate the power, signal and ground wires of the sensor. Test them with a multimeter according to the directions in your factory manual. If the readings aren't correct, replace the sensor.Ready to win back a customer after a bad customer experience? It may already be too late, but these findings from a new survey are a lifeline to help. Ready to win back a customer ...66 posts · Joined 2011. #1 · Apr 10, 2012. Hey guys have an 03 silverado and just started having a problem with my drivers side door. I have no power to my window switches, mirror switch, locks, lights, and doesn't ding when door is open with key in ignition. Passenger side works find though. Checked all fuses.Here is a more detailed list of the signs of a bad or clogged fuel injector to be on the lookout for: 1. Check Engine Light. One of the most obvious symptoms is that the check engine light on your dashboard is blinking. If one of the fuel injectors is clogged or dirty and is not efficiently supplying fuel to the engine, an electrical signal is ...1) Check Engine Light. One of the early symptoms of a bad secondary air injection pump is the Check Engine warning light turning on. The engine control unit can automatically detect when the secondary air injection pump has a problem. Since the functionality of the air pump impacts the engine, any problem with it will activate the Check Engine ...Below are bad engine bearing failure symptoms. 1. Engine overheating. A damaged engine bearing will result in excess friction, which will cause the engine to generate so much heat. As we know, the bearing helps maintain the oil pressure and prevents metal-to-metal contact. When the bearing is damaged, the oil pressure drops gradually depending ...Check Engine Light is on. One of the first symptoms of a problem with the EVAP vent solenoid is an illuminated Check Engine Light. If the computer detects an issue with the EVAP vent solenoid signal, position, or circuit, it may set off the Check Engine Light to alert the driver of a potential issue. 2. Pressure in the gas tank.If the battery voltage remains low after charging it, you need to replace it. Voltage drops below 13.5 with or without a load: The alternator isn't supplying enough power. Voltage goes beyond 14.7: The alternator is overcharging the battery. Ideally, the voltage remains at 13.5 to 14.5 with the engine running.1) Flickering lights. If the strap is loose, it can affect the performance of the headlights. It results in uneven electrical surges that could cause the lights to flicker. Left as is, it may eventually cause permanent damage to the light mechanisms. The lights are subjected to alternating surges and drops in power.BAD GROUND CONNECTION SYMPTOMS. 1. HEAVY CRANKING. This is one of the most serious bad ground connection symptoms. It is very similar to having a weak battery or a bad starter. When you turn the ignition, the starter will crank but barely. 2. LOW ALTERNATOR VOLTAGE OUTPUT. The second most serious symptom.. 2006 Silverado electrical issues. the truck has 250k on it WELCOME BACK TO MY CHANNEL! Make Sure To Leave A Like Step 1 – Check fuses and wiring. If any accessories have been added like a remote start or aftermarket sound equipment, the wiring may have been damaged or compromised. Sometimes, you have to remove them. Gauges that are not working could mean a faulty ignition switch. This has been an issue on this truck series. The most common symptoms of bad alternator in Ch However, when it fails, it will cause a few symptoms or warning signs to occur. Noted below are a few of the common symptoms of a bad or damaged traction control switch which should alert you to contact a certified mechanic for inspection, service and replacement if needed. 1. Check Engine Light comes on. The traction control system constantly ...In this video I discuss what a speed sensor does, how it works & the symptoms of a bad speed sensor. Learn how to troubleshoot this issue and how to fix it.T... May 23, 2017 · 2003 was a bad year on the das...
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