IDLE IS ROUGH AND WANTS TO STAIL OUT ( AFTER A FEW HOURS DRIVING AND WARMED UP) ALSO BAD SMELL OF GAS

1987 Oldsmobile 98

Tiny

blackoldsmobile 98

June, 20, 2013 AT 9:21 PM

Fast idel when starting car
Hello:
i have 1987 oldsmobile 98 regency brogham with 127,000 miles on it.I replaced the following.
1. New battery
2. A new Alternator
3. New battery cables.
4. New Spark Plugs
5. New idel air control
6. New icm Ignition Module
7. New ecm compter control module with a new eprom for gm vintage warehouse
8. The car now has no codes from the computer. AFTER IT WAS INSTALLLED
after a few hours driving, the idle is rough and wants to stail out, I have to gas more gas.
the car has 3.8 L 213 CID V6 General Motors engine
I NEED HELP WITH THIS PROBLEM
ALSO THE GAS MILAGE IS very bad
THANK YOU

FOUND 100 RELATED QUESTIONS

1 Answer

Tiny

hmac300

June, 21, 2013 AT 7:51 AM

Clean the throttle plate on both sides and iac hole. Then scan for codes and check fuel pressure

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