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1987 Oldsmobile Cutlass Ciera LS 2.5L High Idle
Posted to GM Driveability on 10/12/1998

This one has got me stumped!! Vehicle came in from another shop with a high idle complaint. Customer replaced ISC motor and TBI base gasket. Still same problem,base idle is 2400 rpm. Scanned for codes and found a code 35 and 45. On my TECH 1 the IAC counts...

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Message Closed w/FIX

car Vehicle Data

1987 Oldsmobile Cutlass Ciera LS

VIN 1G3AJ51R4H
Engine2.5 L / 4 cyl / GAS
Trans3-speed Automatic
DeliveryFI / TBI
EmissionsCA Emissions
SymptomsHigh Idle
OccursIntermittently

Trouble Codes

35ISC Error
45Rich Exaust
Message Closed w/FIX

car Vehicle Data

1987 Oldsmobile Cutlass Ciera LS

VIN 1G3AJ51R4H
Engine2.5 L / 4 cyl / GAS
Trans3-speed Automatic
DeliveryFI / TBI
EmissionsCA Emissions
SymptomsHigh Idle
OccursIntermittently

Trouble Codes

35ISC Error
45Rich Exaust