Re: OT-car

Posted by Vern-MI on July 30, 2004 at 18:57:40 from (207.69.137.40):

In Reply to: OT-car posted by tlak on July 30, 2004 at 10:31:50:

The fuel injection system enrichment is controlled by the engine control module (ECM)Which recieves input from the engine coolant temperature sensor. Since it is obviously running a bit rich I would susprct that the engine temperature sensor is faulty and telling the ECM that the engine is cold and needs more fuel until it warms up even though it is already warmed up. There may be more than one sensor. It appears that it will cost about $9 at the local Autozone if you have one nearby. Hope this helps.

ENGINE TEMPERATURE SENSOR

COOLANT TEMPERATURE SENSOR for a
1991 OLDSMOBILE CUTLASS SUPREME

Item Part
No.
Warranty Core Value Unit
Price Availability
Store Web
WELLS SU109 3 MO $8.99
TO TEST->LOCATE TEST CHART "SU12" IN WELLS TEST MANUAL

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