Question about 1998 Oldsmobile 88

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My 1998 Olds 88 has been stalling and running rough.

The plugs are good. The check engine light comes on and off. Occasionally it smells like gas. It stalls at almost every stop.

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  • Anonymous Mar 16, 2014

    After wiring a stereo, (not GM) my olds 88 will crank and run, then the dash lights flash and the engine stalls out. It will crank up fine, but then shuts down. I have checked the fuses and three relays but can't locate the problem. I hate to pay to take it to the dealership! Thanks for your ideas.

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Check and clean the IAC valve. Idle Control Valve. Use brake cleaner or carburater cleaner . Remove the duct work from the air filter assembly. It is located just inside . Run the engine at 1200 rpms and spray the valve. The valve can also be removed and cleaned.

Posted on Jan 07, 2009

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Throttle position sensor. If it isnt reading right voltage, can cause car high idle, die at idle,rough idle, run rich.

Posted on Jan 15, 2012

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