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Oldsmobile Cutlass Supreme Engine Control Module (ECM) can fail

 
Oldsmobile Cutlass Supreme Problem
8 Reports
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Model Years Affected: 1990, 1991, 1992, 1993, 1994

Average Mileage: 75,926 mi (68,000 mi - 83,780 mi)

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The Engine Control Module (ECM) can fail causing stalling, and engine and transmission drivability concerns.

  • Visitor, , 76,000 mi

    Erratic engine idle. Stalling at idle and when slowing to stop or turn corners . Replaced ECM to correct.

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  • Visitor, , 83,780 mi

    Problem; engine dies or sutters when driving at low speed, cooling fan comes on imeditly after starting car,speedometer does not regester,check engine light aluminated shifting erattic Diagnostic: check TPS resistance, check crank sensor, check ignition module for pluse, check speed sensor,clean MAF,check plugs and wires(600 ohm per foot ave), check temp sensorS and relayS. Solution: REPLACE ECM

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