2003 Silverado Check Engine Light Flashing

- August 24, 2018

My 2003 silverado check engine light came on while driving it on the 24th of april. Most of gmc sierra and chveys pick up runs into this problem p0300 show up and is only unce you hit speed of 50 to 60 mph.

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Go to parts store and get a code reader and research online.

2003 silverado check engine light flashing. Budget mechanic hawaii. 150000 miles no aftermarket mods. Tips on car buying how to negotiate and how to buy a car.

Go to parts store and get a code reader and research online. As a rule of thumb this is caused by a cylinder misfire and the fuel that is not burning in the cylinder is going directly into a hot cat converter. The engine was running rough and i heard a tapping sound.

Chevy truck forum silverado sierra gmc truck forums. And typically with a flashing check engine light it means you have a catalyst damaging misfire. Dec 05 2014 148pm.

So i was going to get me a new battery and started to go to walmart to get another one when a message i never. On a recent road trip my cel started flashing as i exited the highway. Generally speaking check engine light flashing indicates engine misfire.

Immediately shut it off poped. Another flashing check engine light. A flashing check engine light means your engine computer has detected a fault that is serious enough to damage your catalytic converter.

The check engine light starts flashing then p0300 multiple misfire shows up. Another flashing check engine light. Diagnose and fix engine misfires flashing check engine light rough running idle low power duration.

Flashing check engine light engine misfire hesitation. I have a 2008 silverado 53 v 8 with afm. In this video i will go over and what it means if you have a flashing check engine light.

Chevy dude recommended for you. Driving the vehicle with the light flashing may even. 9 fees to never pay a car dealership.

In a worse case scenario this could start a fire. Or if you have on star press button ask for remote diagnostics.