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1996 Oldsmobile 88 Royale 3.8L Poor Idle Quality
Posted to GM Driveability on 12/17/2013 16 Replies

This car has a high idle. It will go as high as [...] at times. The scan tool shows the tp sensor voltage fluctuating any where from .35v to .47v fairly rapidly. The tp % is from 0 to 3% fluctuating also. If you disconnect the tps sensor idle is perfect and ia...

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Message Closed w/FIX

car Vehicle Data

1996 Oldsmobile 88 Royale

VIN 1G3HN52K9T
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / SEFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality
OccursIdle
Message Closed w/FIX

car Vehicle Data

1996 Oldsmobile 88 Royale

VIN 1G3HN52K9T
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / SEFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality
OccursIdle