Question about GMC K1500
My engine is dumping a lot of fuel on my plugs
Fuel pressure reading will give you the answer.but O2 sensor,engine temp,trottle position sensor,poor combustion like cylinder compression spark plugs, valve timing
As you can see there a lot of things that can change the rich and poor fuel metering.
hope it helps
Posted on Mar 25, 2014
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Posted on Jan 02, 2017
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