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1997 Cadillac DeVille 4.6L Poor Idle Quality, MIL Lamp on
Posted to GM Driveability on 7/7/2010 13 Replies

Car has an intermittant high idle. Code p0122 sets, tps sweeps as it should. IAC counts go to 190, fuel trim right bank +18, fuel trim left bank -3. Why would IAC go to 190 if right fuel trim is +18? The cadillac dealer cleaned throttle body and did a bg fuel ...

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  Related Documents & Media  1997 Cadillac DeVille

 
Message Closed w/FIX

car Vehicle Data

1997 Cadillac DeVille

VIN 1G6KS52YXV
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, MIL Lamp On
OccursIntermittently

Trouble Codes

P0122Throttle Position Sensor Circuit Low Voltage
Message Closed w/FIX

car Vehicle Data

1997 Cadillac DeVille

VIN 1G6KS52YXV
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, MIL Lamp On
OccursIntermittently

Trouble Codes

P0122Throttle Position Sensor Circuit Low Voltage