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1997 Pontiac grand am 3.1L High Base Idle
Posted to GM Driveability on 10/3/1999

this car idles high 2000 rpm it will stay there as long as you dont shut off the key. if you cycle the key and rezero the tps it will come back with a different idle speed. the tps will vary from17% to 10% at base [...] tps when i looked at it with the scanner...

 
Message Closed w/FIX

car Vehicle Data

1997 Pontiac grand am

VIN 1G2WE52M1V
Engine3.1 L / 6 cyl
EmissionsOBD-II Compliant
SymptomsHigh Base Idle
OccursCold, Intermittently

Trouble Codes

P0122Throttle Position Sensor Circuit Low Voltage
P1122TP Sensor Signal Higher Than Expected
Message Closed w/FIX

car Vehicle Data

1997 Pontiac grand am

VIN 1G2WE52M1V
Engine3.1 L / 6 cyl
EmissionsOBD-II Compliant
SymptomsHigh Base Idle
OccursCold, Intermittently

Trouble Codes

P0122Throttle Position Sensor Circuit Low Voltage
P1122TP Sensor Signal Higher Than Expected