Chevrolet Suburban 2500 Problem Report
Chevrolet Suburban 2500 Engine Misfire Due to Worn Valve Seat
The engine may develop a misfire due to worn valve seats. This fault will cause the Check Engine Light to illuminate. Our technicians tell us the misfire may or may not be felt while driving. They further recommend that both cylinder heads be removed and thoroughly inspected and repaired as necessary.
Just past idle, you will notice a slight fail like resriction of fuel flow, it will sputter a bit but if you feather the gas peddle a bit it will clear and push past that point. Then as the car warms up it can happen again when demanding more speed to pass or accelerate. It shifts fine now that the TPS was replaced and max air flow sensor was preplaced. I replaced the fuel filter and it did not clear the issue. Where do I start and what is the least expensive method of tackling this task. In a time of tight budets...there is not much to play with. I am sure you can appreciate that.
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