ENGINE PERFORMANCE PROBLEM1990 OLDSMOBILE ...

1990 Oldsmobile Cutlass

Tiny

nazarene

September, 7, 2009 AT 6:02 PM

Engine Performance problem
1990 Oldsmobile Cutlass 6 cyl Front Wheel Drive Automatic 150000 miles

1990 Old Cutlass Supreme SL with 3.1 MFI starts
and idles fine like a new one but when I push on the accelerator, the engine just dies after a short runup.
Nothing coded. Changed the TPS anyway but no luck. Have already replaced the FP, Fuel regulator,
IAC, MAP, O2, new plugs and wires plus timing chain and gears. A friend recommended having the ignition coils and module checked but after having already changied all of the other things I need some expert advice before I go any further. Would appreciate any help you can give. Thank You.

5 Answers

Tiny

Jacobandnickolas

September, 18, 2009 AT 8:16 AM

Have you checked for vacuum leaks? Also, has the check engine light come on?

Tiny

nazarene

September, 18, 2009 AT 9:57 AM

Yes I checked Vacuumn and was OK. Engine lightdoes not come on. The only sensor I have not
changed is the crank sensor. Don't know if the
injectors are a problem or not. FP pressure is good.

Tiny

Jacobandnickolas

September, 18, 2009 AT 10:21 AM

Have you checked the injectors with a noid light?

Tiny

nazarene

September, 18, 2009 AT 1:18 PM

Haven't checked the injectors but will give it a try. I thought an injector problem would act more like a miss or something. Thanks for the suggestion.

Tiny

Jacobandnickolas

September, 18, 2009 AT 1:46 PM

Let me know what you find.

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