Dim headlights. Dimming headlights are one of the most common signs of a bad alternator in the Chevy Silverado. Dim headlights indicate that the alternator can’t keep up with the energy request for the lights. As your Silverado begins to eat through the voltage stored in the battery, the headlights will begin to fade.1. Inconsistent cooling. Because the AC control module controls and regulates all of the functions of the system, you may begin to notice cooling inconsistencies when there is a problem. If the cabin temperature is unable to reach, or struggles to maintain, the correct temperature, then that may be indicative of a problem with the AC control ...The actual cost associated with the purchase of a coolant temperature sensor can also vary by vehicle. On average, the cost of a coolant temperature sensor ranges from $20-$80, while the cost of labor ranges from $50-$250. In total, one could expect to pay $70-$330 to have their engine coolant temperature sensor replaced.One of the most common signs you have a problem with your transmission valve body is a delay (2 or more seconds) or harsh shift when shifting from Park to Drive or Park to Reverse. These are commonly referred to as "garage shifts". If you have a problem with only one scenario (example: Park -> Reverse), try to limit the amount of times ...I already figured it out, this was a loose PCM ground wire (on the negative battery terminal wire). Took it off, cleaned it, no problems since.115 posts · Joined 2010. #4 · May 17, 2011. I would pull the cover off around the steering column and shifter follow the wires up to the ignition switch. There is a black plastic cover over the connections. Pop the cover and look at the terminals. I seen a bunch of them melted just enough to make it act weird.I have a 2003 silverado 5.3 z71,volt meter just started fluctuating from 9 to 14 every few minutes battery is dead every morning.I have to charge it,checked with a test light every fuse by tacking ground off and going from ground wire to ground on truck light never went off.have a short somewhere.It started after pulling my buddies boat. Hello ...I agree that it is most likely electrical connection issues. As stated by others; check/replace battery, try using jumper cable (s), clean connections, replace cables. With engine running, check voltage across battery terminals, should be ~14.2v. My #1 suspicion is bad battery; #2 is connection or cable.Your Chevy Silverado’s water pump is one of the most crucial parts of the engine. If it doesn’t pump water through the engine, it’s going to overheat and do a lot of damage. Typical signs of a bad water pump include overheating, white smoke, a bad smell, rough idle, and more. A water pump works by pumping water through the engine.Step 4 - Install the new camshaft position sensor. Insert the new camshaft position sensor into place. Fasten the 10mm bolt and reconnect the harness. Set the intake manifold back into place and disconnect the EGR valve. Feed the hoses back through the side of the intake manifold and into place. Reconnect the hoses as well as hose clamps ...2003 Silverado LS 4.8L with ~230k miles. Truck was running fine yesterday afternoon/evening. Try to turn it on this morning and I hear a set of about 6 clicking noises. Then try again and this time absolutely no noise and same each time I try now. I have zero power. No locks, windows, lights, nothing.4. Your engine runs poorly: The sensor affects almost every aspect of engine management. A bad one can easily cause a misfire or poor engine performance. 5. Increased emissions: If the sensor sends a faulty "cold" reading, the engine will run rich. As a result, carbon monoxide emissions will increase, and possibly hydrocarbons, as well.Symptoms Of A Bad ABS Control Module. The most common symptom of a bad ABS control module is an ABS warning light on your dashboard. You may also notice locking wheels while braking on slippery surfaces. Another less common sign is a stiff or unresponsive brake pedal. These are not all the signs, so here is a more detailed list …103 posts · Joined 2008. #2 · Feb 5, 2009. replacing intake gasket. Depends on your level or experience mechanically but if you do it yourself you will likely save yourself four or five hundred dollars. I was quoted around five hundred and I did it for about sixty myself.A bad ground can cause all sorts of weird issues. You can also unhook your battery for awhile and then see if some of the codes go away. 2015 SILVERADO LTZ 6.2L -4x4 -8 Speed -HDX Steps. 1964 C-10 383 Stroker -12 Bolt Posi -Custom Holley 650 -Hurst Shifter -Stan's Headers -2 1/2" duals w/H pipe-40 series Flowmasters.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 ...It can also result in a knocking or detonating engine in the worst case, but most often you will notice signs like loss of engine power and high fuel consumption. Below we have a more detailed list of the signs of a bad or failing knock sensor to look for: 1. Check Engine Light. Just because you have a check engine light for your knock sensor ...Stage 1: Vibrations. The most noticeable symptom of a motor mount that is going bad is vibration. That is, more vibration than you would typically feel when you are driving your Silverado. You'll know when it's happening. It may not necessarily feel like the vehicle is going to rattle apart, but it's very noticeable.Grounding points in a Chevy Silverado include the firewall, door hinge, fuel filler neck, battery tray, engine block, wiring harness, etc. Regular inspection of these …By far the most common symptom of a faulty turn signal relay is that your turn signals or hazards stop working properly. Since it's the job of the turn signal relay to tell the turn signals to turn on, it makes perfect sense that if this component breaks, you'll lose that feature. If the relay breaks in a way that it won't open anymore or ...6) Malfunctioning Gauges. 7) Burnt Out Fuses. 8) Failed Emissions Test. 9) Check Engine Light. 10) Electrical Shock. Causes of a Bad Engine Ground Wire. 1) Corrosion or Rust on the Engine Ground Wire. 2) Loose Connections or Damaged Wire. 3) Incorrect Installation of the Engine Ground Wire.Here are some of the bad alternator ground symptoms that might appear when your car has an alternator ground cable that’s on its last legs: Your headlights might begin to flicker almost every time you have them on. Your car battery might stop recharging like it’s supposed to and die out on you way sooner than expected.The actual cost associated with the purchase of a coolant temperature sensor can also vary by vehicle. On average, the cost of a coolant temperature sensor ranges from $20-$80, while the cost of labor ranges from $50-$250. In total, one could expect to pay $70-$330 to have their engine coolant temperature sensor replaced.Causes of an Erratic Gas Gauge. An erratic gas gauge on the 2003 Chevy Silverado 2500HD is mostly caused by a bad fuel level sensor. The gauge may bounce up and down erratically and even drop out completely in more serious situations. The fuel level sensor helps to monitor the amount of fuel inside the truck's gas tank.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 starting the car. You may also notice strange electrical system malfunctions that don’t seem to make sense.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 …Set the voltmeter to read ohms (resistance) and probe the battery’s negative stud and ground connection on the accessory (the ground terminal on an amp, for example). If you have a reading less than five ohms, the ground is okay. If the resistance is okay but the accessory still isn’t working right, set the voltmeter to DC current (voltage).P0300 - Random Multiple cylinder misfire detected and... Been struggling for a few weeks with a P0300 on my 2005 GMC Sierra 1500 5.3 Z71 4x4 SLE quad cab 175k miles. It spent most of it's life in New York, so, yeah, fairly rusty underneath. This recent issue actually started with a P0307 (misfire on cylinder 7). So I cleared the code, swapped...In this video, you will learn 6 symptoms of a bad brake light switch. Watching this video will help you diagnose whether it is time to replace your brake lig...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.3521 posts · Joined 2007. #1 · Nov 16, 2021 (Edited) Friday afternoon on my way out of town for a trip, my 2002 Silverado 2500HD with the 6.0L engine and about 275k miles started misfiring. For the most part, the misfire couldn't be felt in the truck, but the CEL was blinking like crazy. Unfortunately, I had to go on the trip, so I drove on.I have a 2003 Chevy Silverado 2500 6.0 the first code was P0332 and i changed the Knock sensors with AC Delco parts and after clearing the code I drove 3 miles down the road and now got a P0327 code. ... (even new ones can be bad out of the box, you can damage them just by dropping them on hard ground), or a wiring/connector …Circuit Descriptions Of The Headlight Switch Connector. TEST 1: Checking Power (Headlight Circuit). TEST 2: Fused Jumper Wire (Headlight Circuit). TEST 3: Checking Power (Park Lights Circuit). TEST 4: Fused Jumper Wire (Park Lights Circuit). Headlight Switch Test Summary. More GM 4.3L, 5.0L, 5.7L Tutorials.This item has been corrected. This item has been corrected. Two sets of numbers out this week show just how quickly the ground is shifting in the videogame industry. Figures from t...The P0300 code specifically applies to the Chevrolet Silverado and refers to engine misfires. When this code is triggered, it indicates that the engine has detected random misfires in multiple cylinders. These misfires can result in poor engine performance, reduced fuel efficiency, and potential damage to other engine components.These are six of the possible symptoms you may notice when the Throttle Position Sensor (TPS) goes bad. 1. Check Engine Light. The Check Engine Light comes on when the TPS sends an incorrect reading to the computer. Because the TPS is monitoring the throttle plate, any malfunction will be registered.1. Fuel Pump Failures. The Duramax diesel engines in the second and third generation Silverado 2500HD have had many reports of fuel pump failures which can lead to expensive repair bills. This problem only affects the 2011 to 2016 model years of the Silverado 2500 and 3500, as well as the GMC Sierra.No-Start Condition. This is one of the more obvious signs of a bad ground, manifesting in much the same way as a loose battery cable or a dead battery. When you attempt to start your car, you may hear a single click or a rapid tapping; this is the sound of the starter's solenoid opening or closing, or the sound of the starter's Bendix drive ...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 …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.In many cases, your BCM will alert you to issues with symptoms, warning lights or both. The key is to heed these warning signs, take prompt action and seek help. Avoiding these warning signs or delaying taking action could cause further vehicle damage, or even a system-wide failure. BCM problems can also mask issues with other modules …Circuit Descriptions Of The Headlight Switch Connector. TEST 1: Checking Power (Headlight Circuit). TEST 2: Fused Jumper Wire (Headlight Circuit). TEST 3: Checking Power (Park Lights Circuit). TEST 4: Fused Jumper Wire (Park Lights Circuit). Headlight Switch Test Summary. More GM 4.3L, 5.0L, 5.7L Tutorials.Grounding points in a Chevy Silverado include the firewall, door hinge, fuel filler neck, battery tray, engine block, wiring harness, etc. Regular inspection of these …1. Fuel gauge behaves erratically. One of the first symptoms of a problem with the fuel gauge sender is a fuel gauge that behaves erratically. A faulty fuel gauge sender may cause the gauge to suddenly change positions, or give an inaccurate reading. The gauge may appear to be at three quarters, and then only a few minutes later will change to ...The most common signs of bad ignition coils in Chevy Silverado 2500 HD 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.Visit us at https://despairrepair.com where you can find more useful car and driving tips.-----...Mar 2, 2023 · 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 ...3521 posts · Joined 2007. #1 · Nov 16, 2021 (Edited) Friday afternoon on my way out of town for a trip, my 2002 Silverado 2500HD with the 6.0L engine and about 275k miles started misfiring. For the most part, the misfire couldn't be felt in the truck, but the CEL was blinking like crazy. Unfortunately, I had to go on the trip, so I drove on.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.Jul 20, 2021 · A bad knock sensor will usually cause noticeable drivability issues. However, it shouldn’t leave you stranded, just down on power. 1. Check Engine Light. A bad knock sensor can trigger your Silverado’s check engine light. Any trouble codes from P0325 -P0334 are related to the knock sensor in one way or the other.The light will often fail to flash or show when the car battery is compromised. The battery could be dead, or the terminals are faulty. In other instances, the anti-theft system might be the problem. The anti-theft system itself could be dead, making the flashing light die as well.Grounding points in a Chevy Silverado include the firewall, door hinge, fuel filler neck, battery tray, engine block, wiring harness, etc. Regular inspection of these …2003 Chevrolet Silverado 1500 LS 4WD- ... Would a bad Ground, cause the Fuel, Tach and Speedo to stop working? And it won’t shift out of 3 rd gear.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.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 4 most common symptoms of a bad water pump are listed below. 1. Front-Center of the Car Has Coolant Leaking. The first symptom of a bad water pump is a coolant leak at the front-center of your car. The water pump consists of multiple gaskets and seals that keep coolant contained and ensure that consistent flow of coolant is delivered …16 posts · Joined 2023. #1 · Oct 10, 2023. I have a 2015 silver z71 with 5.3. It's getting bad gas mileage. It hesitates real bad starting off, or when get to low reps you can watch the rpm hand fluctuate. I've changed plugs, wires, coil packs mass air flow sensor, new breather filter. I did notice gunk at the butterfly on my throttle body.The throttle position (TP) sensor measures the position of the throttle blade. A bad TP sensor will show symptoms such as an illuminated check engine light, engine and transmission performance issues, and the vehicle being stuck in limp mode. Diagnosing a bad TP sensor involves testing the part.Positive or negative battery cables. Battery fuse block. Cause 2. This condition may be caused by a poor BCM ground at G218. Cause 3. This condition may be caused by a shorted B+ Battery cable (3) at the Starter Solenoid caused by: A loose starter shield contacting the starter battery cable terminal ring.Oct 16, 2017 · 1, sounds like you are on the right track to suspect a bad ground for the rear lighting. Follow your wiring harness from the rear lights as it goes forward. 2, check to see how clean the radiator is(if you have A/C, the condenser coil is the 1st to get dirty), bugs, dirt, etc.....See: 19 Best Online Auto Parts Stores. To replace a camshaft position sensor, you can expect to pay anywhere from $95 to $200. Parts alone will run about $25 to $100. Labor costs will be in the range of $70 to $100 for professional replacement. Expect to pay more if you have a luxury vehicle or are having your local car dealership perform the ...4. Poor or High Idle. When a throttle body is not functioning correctly, some noticeable characteristics may be poor or very low idle. This can include stalling when coming to a stop or very low idle after starting, or even stalling if the throttle is quickly pressed — resulting in the throttle body plate opening and closing very quickly. In ...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. - G311Diagnostic Procedures. To diagnose a bad fuel pressure regulator, follow these steps: Locate the Fuel Pressure Regulator: Pop the hood and find the fuel pressure regulator. Inspect for External Damage: Visually inspect the regulator for any signs of damage, such as leaks, cracks, or broken connections. Replace it if necessary.The replacement cost of a transmission control module will be anywhere from $500 to $900. You can expect the parts costs to be around $450 to $700 while the labor costs will be around $50 to $200. Of course, you can order a new TCM online and ask a mechanic what their hourly labor rates are. However, most of the cost for this …The labor costs will be anywhere between $150 and $300, depending on the hourly rate of the mechanics and the amount of work it takes to access the throttle position sensor. In total, you can expect to pay between $250 and $400 for a throttle position sensor replacement. Since replacing the TPS is fairly easy in most cases (depending on its ...A failing or failed crankshaft position sensor may cause the check engine light on your dashboard to come on. A diagnostic scan tool will show a code between P0335 and P0338. The check engine light doesn't always come on, though, so you could be experiencing any of the above symptoms for some time before you see the warning light.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.1, sounds like you are on the right track to suspect a bad ground for the rear lighting. Follow your wiring harness from the rear lights as it goes forward. 2, check to see how clean the radiator is(if you have …An electrical problem can often be traced to a single source: a bad ground connection. A bad ground can cause noise in an audio system, make electric fuel pumps run hot or produce low pressure, and …2003 Silverado crew cab drivers door module will not operate mirrors or locks or windows and it does not light up at all. The truck also does not recognize when the door is closed, the interior light stays on all the time and the "key in the ignition" chime stays on even when the door is closed. I replaced the module with an untested used one ...Tow Master. 24781 posts · Joined 2006. #2 · Sep 28, 2008. Hmmm the mpg loss and grey smoke would go towards injectors but I cant think of what would cause the strange shift patterns or the fan is really unusual. You'll definatly have to take it in and get the injectors looked at! Jason.Dec 3, 2018 · Updated on 12/03/18. There is a solenoid in your GM converter that causes the the torque convertor clutch (TCC) to engage and disengage. When the TCC solenoid receives a signal from the engine control module (ECM), it opens a passage in the valve body and hydraulic fluid applies the TCC. When the ECM signal stops, the solenoid closes the valve ...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 ...Jul 20, 2021 · A bad knock sensor will usually cause noticeable drivability issues. However, it shouldn’t leave you stranded, just down on power. 1. Check Engine Light. A bad knock sensor can trigger your Silverado’s check engine light. Any trouble codes from P0325 -P0334 are related to the knock sensor in one way or the other.The thermostat in your Chevy Silverado's engine plays a crucial role in regulating its temperature. A malfunctioning thermostat may lead to various issues and should be dealt with immediately. Some of the most common symptoms of a bad thermostat are no heat, a spiked temp gauge, a blown head gasket, and more. A thermostat failure.These are six of the possible symptoms you may notice when the Throttle Position Sensor (TPS) goes bad. 1. Check Engine Light. The Check Engine Light comes on when the TPS sends an incorrect reading to the computer. Because the TPS is monitoring the throttle plate, any malfunction will be registered.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...1. Fuel smell. One of the first symptoms commonly associated with a bad or failing fuel filler neck is a fuel smell. While a faint fuel smell when filling up is normal, if the smell lingers or becomes stronger over time that could be a sign that the fuel filler neck may have a small leak. Aside from a fuel smell, a filler neck that is leaking .... Here is a more detailed list of the signs of a bad or faBoeing shares may be in for some turbulence. After a raft of scary The labor costs will be anywhere between $150 and $300, depending on the hourly rate of the mechanics and the amount of work it takes to access the throttle position sensor. In total, you can expect to pay between $250 and $400 for a throttle position sensor replacement. Since replacing the TPS is fairly easy in most cases (depending on its ... Hello. I have a 2004 silverado with the 5.3l vortec Listed below are a few of these warning signs. 1. Engine response is inconsistent. When you press down on the gas pedal, your engine should respond directly and instantly. However, when a problem with the APP sensor exists, the vehicle's ability to consistently accelerate or decelerate as directed by the driver is reduced.32 posts · Joined 2011. #2 · Jun 29, 2011. Don't know if this might help, but I did find a thread that mentioned (splice pack) sp423 -- a bunch of grounds packed together on the rear crossmember just behind the fuel tank (and damned difficult to get to). Apparently, corrosion of this pack can even cause engine misfire codes. The Silverado uses this signal for many vehicle functions. I...
Continue Reading