What causes a flashing check engine light on a Chevy Silverado?
While a majority of the time, the flashing check engine light is going to be caused by a misfire related to your Silverado’s ignition system or fuel system (as stated above), there are other issues that can cause it. Your timing chain could have jumped .
What causes a Chevy Silverado engine to misfire?
Keeping in mind that any engine needs air, fuel, and spark for ignition, your Chevy Silverado’s fuel system can often cause the engine to misfire. It can run too lean or rich.
Why does my GM car say no start no crank?
How to diagnose a no start no click on GM vehicle. If you have a late model GM vehicle and turn the key only to hear nothing, you’ll most likely think you have a dead battery—and you may. But a no start, no crank, no click condition can be far more involved than that.
Why does my check engine light keep blinking?
When your engine is misfiring, it is dumping raw fuel into the exhaust. This raw fuel can detonate, which causes damage to the catalytic converter and the exhaust system itself. There can be other situations that can cause the check engine light to blink as well.
What are the warning lights on my GMC?
What follows is easily the most complete list available of symbols and warnings that may appear in and on your car’s dashboard or instrument cluster. The following are warning lights and indicators found in vehicles built by GMC.
What causes a weird gas gauge reading on a truck?
A poor ground here will cause weird fuel gauge readings. Buddy use to have this problem on an old truck of his. He just bounced the gas pedal a few times and it always corrected itself, well at least until it did it again. Fuel sender ground is wired to the PCM, not the pump ground.
Why does the low fuel light come on when the tank is full?
All the sudden, the Low Fuel light comes on and the gas gauge is showing empty. I know this is wrong because I just filled up two days ago and have hardly gone anywhere.
What kind of engine light does a Chevy Silverado have?
This free video provides the steps to diagnose and clear a check engine light on a 2004 Chevrolet Silverado 1500 LS 5.3L V8 FlexFuel Extended Cab Pickup (4 Door). The video also provides steps on how to read the 2004 Chevrolet Silverado 1500 LS 5.3L V8 FlexFuel Extended Cab Pickup (4 Door) trouble code About Us Maintenance Parts & Tools Contact
What to do if your check engine light is flashing?
Flashing Check Engine Light: If your check engine light is flashing, stop driving your Silverado 1500 and have it towed to your nearest mechanic – you probably have a very serious problem with your car and you risk ruining your engine by driving it.
How to troubleshoot a Chevy Silverado check engine?
To troubleshoot, make a note of which cylinder appears to be misfiring. Then swap that coil for another one on the vehicle. By swapping the coils, you can see if the issue goes away or if it follows the coil, which would indicate that the coil is bad and needs to be replaced. If playback doesn’t begin shortly, try restarting your device.
What makes the Check Engine light come on on a Chevy Silverado?
Depending on the year and model of your Silverado, your truck can have up to four oxygen sensors. Unfortunately, a problem with any one of them can cause the check engine light to come on—but that’s not all.
Why does my Silverado 4L60E have lame shifts?
Apparently on the newer trucks the engineers re-designed (un-desinged?) the 4L60E so that it has incredibly lame shifts. The converter never really locks up like you would think. There’s something called Pulse Wave Modulation (PWM) used to make the converter lock-up almost undetectable.
Flashing Check Engine Light: If your check engine light is flashing, stop driving your Silverado 1500 and have it towed to your nearest mechanic – you probably have a very serious problem with your car and you risk ruining your engine by driving it.
To troubleshoot, make a note of which cylinder appears to be misfiring. Then swap that coil for another one on the vehicle. By swapping the coils, you can see if the issue goes away or if it follows the coil, which would indicate that the coil is bad and needs to be replaced. If playback doesn’t begin shortly, try restarting your device.
While a majority of the time, the flashing check engine light is going to be caused by a misfire related to your Silverado’s ignition system or fuel system (as stated above), there are other issues that can cause it. Your timing chain could have jumped .
Keeping in mind that any engine needs air, fuel, and spark for ignition, your Chevy Silverado’s fuel system can often cause the engine to misfire. It can run too lean or rich.
When your engine is misfiring, it is dumping raw fuel into the exhaust. This raw fuel can detonate, which causes damage to the catalytic converter and the exhaust system itself. There can be other situations that can cause the check engine light to blink as well.