1999 Chevrolet 2500 Pickup Q&A
1999 Chevrolet 2500 Pickup Question: Throttle problem
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The engine idle may be lower than normal due to deposits built up on the throttle body, which can restrict air flow at idle. To low of an engine idle can result in a stalling condition. Performing ...
The throttle body gasket may develop a vacuum leak which may result in a higher than normal engine idle. Failed gaskets will require replacement.
injectors putting out too much fuel, poor idle to stall, and black exhaust
Actually, it's a 350 cu in chevy motor in a 1984 boat with less than 200 hrs on engine. It starts, runs 5-10 min., then dies when you ease back on the throttle, then won't start again for 30 to 45...
I have replaced all of fuel system, and the firing system. don't know what else to do.