Having problems with your 2004 Chevrolet Silverado ?

I have a 2004 silverado with a 5.3. When you start it it runs nice but as it worms up it runs rough the plugs on the drivers side are black and full of soot pass side are good what is wrong.

Posted / edited by AnonymousUser on : 24-09-2018

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Repair Help & Product Troubleshooting for 2004 Chevrolet Silverado

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I have a 2004 silverado with a 5.3. When you start it it runs nice but as it worms up it runs rough the plugs on the drivers side are black and full of soot pass side are good what is wrong.

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I have a 2004 silverado with a 5.3. When you start it it runs nice but as it worms up it runs rough the plugs on the drivers side are black and full of soot pass side are good what is wrong. (adsbygoogle = window.adsbygoogle || []).push({});

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I have a 2004 silverado with a 5.3. When you start it it runs nice but as it worms up it runs rough the plugs on the drivers side are black and full of soot pass side are good what is wrong.