Question about Oldsmobile Silhouette
When the engine is cold, turn the key 2-3 time w/o starting the engine.
What you do there is injecting fuel through the starting valve to get
started. Normally this is performed by the remaining pressure in the
system. Then turn another time and start the engine. If it starts easy
then the fuel pump, which has a valve preventing back-flow, is the
problem. However if this is the case the car should
start quite ok after a stop shorter than say 10-20 minutes.
In case this wont be it, then it could be a problem with the cold start valve, which is a electrically activated valve. The problem might be that this valve does not close completely and leaks extra fuel in the intakes which than would influence the idle. You wont feel it driving, other than good pickup and lower gas mileage.
Posted on May 18, 2011
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Posted on Jan 02, 2017
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