Question about 1990 Oldsmobile Cutlass Supreme Conv

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1990 cutlass supreme

How to change ignition module

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Cutlass supreme oldsmobile 1990 running hot

Posted on Mar 14, 2009

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What motor is it ??

Posted on Oct 13, 2008

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I have a 91 olds supreme 3.1 v6 it shut off and won't start back .... It starts but won't turn over.... And when turn the key back off it's blows the dis fuse wich mean direct ignition system...


Check the coils that have been replace for bent or broken prongs that plug into the ignition control module and if nothing looks damaged then i would think the ignition control module is faulty.Replace ignition control module.

Jan 21, 2012 | 1991 Oldsmobile Cutlass Supreme

1 Answer

I have a 1995 Olds Cutlass Supreme SL and when you turn the ignition off the care continues to run. Sometimes it will die within minutes and others it will sit and idle for a couple of hours. I have...


was the electrical ignition switch attached to the transmission changed? It is attached by the shift cable. If the contacts in that are worn or burnt it will continously run as you state

Jul 17, 2011 | 1995 Oldsmobile Cutlass Supreme

1 Answer

1991 Oldsmobile Cutlass Supreme-there's no spark. changed module, crank sensor, ecm. pls advise...


Check the wire from the module to the crank sensor. They go bad. Usually from oil leaks. Is it saturated with oil where it goes under the engine? Also check for power and ground on the two wire plug on the drivers side of the module. It isn't the ecm or anything with it. The ignition system on the 3.1 will work with the ecm unplugged. The ignition system is a stand alone system. It sends signals to the ecm for the fuel injection.

Jun 18, 2010 | 1991 Oldsmobile Cutlass Supreme

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1991 olds cutlass supreme with a 3.1 v-6 the engine


I am having a similar problem, but there is no check engine light. It seems that mine dies at the light or running, if the rpm's drop. I am wondering if the Idle air control valve is bad or possibly the ERG valve?

Feb 03, 2010 | 1991 Oldsmobile Cutlass Supreme

1 Answer

In which area of the engine would I be able to find crank sensor


CRANKSHAFT POSITION SENSOR

Fig. 8 Ignition Coil Module Assy 2.5L/4-151 42188531 The Crankshaft Position Sensor is mounted remotely on the bottom side of the ignition module.

RH Side Of Engine. 42277335

Front RH Side Of Engine

Applicable to: Cutlass Ciera & Cutlass Cruiser w/V6-231/3.3L

Dec 11, 2009 | 1991 Oldsmobile Cutlass Ciera

1 Answer

94 oldsmobile cutlass supreme, car won't start and security light comes on.


problem could be the ignition key and switch or the theft deterrent module relay is bad or the theft deterrent module is faulty.this is a dealership fix.

Dec 06, 2009 | 1994 Oldsmobile Cutlass Supreme

2 Answers

I have 90' olds cutlass supreme. I have a problem. The car engine stops when the engine is hot after 15 to 20 minutes from the start. It won't start back until the engine cools down after several hours. I...


it sounds like the ignition module is getting hot and shutting down. unbolt the ignition coils and unplug coils and pay attention to how they unplug from the module unplug and unbolt the module the replace in reverse order

Nov 04, 2009 | 1990 Oldsmobile Cutlass Supreme Conv

3 Answers

Type of freon used in 1990 olds cutlass supreme. new or old?


This car uses r12 freon that is the old stuff but you can have your system converted over to the 134a.

Jun 18, 2009 | 1990 Oldsmobile Cutlass Supreme Conv

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