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1998 Pontiac Grand Am SE 3.1L MIL Lamp on
Posted to GM Driveability on 9/3/1999

Problem is intermitant. All four codes set at once. Can drive vehicle 100 miles without a problem, give it to customer and code sets by the next day.

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car Vehicle Data

1998 Pontiac Grand Am SE

VIN 1G2NE52M5W
Engine3.1 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursIntermittently
Misc.N Body

Trouble Codes

P0122Throttle Position Sensor Circuit Low Voltage
P0452Fuel Tank Pressure Sensor Circuit Low Voltage
P1122TP Sensor Signal Higher Than Expected
P16355-Volt Reference 'A' Circuit Malfunction
Message Closed

car Vehicle Data

1998 Pontiac Grand Am SE

VIN 1G2NE52M5W
Engine3.1 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursIntermittently
Misc.N Body

Trouble Codes

P0122Throttle Position Sensor Circuit Low Voltage
P0452Fuel Tank Pressure Sensor Circuit Low Voltage
P1122TP Sensor Signal Higher Than Expected
P16355-Volt Reference 'A' Circuit Malfunction