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1999 Pontiac Montana 3.4L MIL Lamp on
Posted to GM Driveability on 1/28/2004 4 Replies

This vehicle came to the shop with 3 codes p0440,0453,0463,I was not at the shop and no problems were found. The vehicle came back in with the code p0440 evap emissinos problem. I have smoked test the entire system and i can not find a leak. I have tested the ...

4 Replies Received (View Replies)

  Related Documents & Media  1999 Pontiac Montana

 
Message Closed w/FIX

car Vehicle Data

1999 Pontiac Montana

VIN 1GMDU03E1X
Engine3.4 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursIntermittently

Trouble Codes

P0440EVAP System Leak Detected
P0453Fuel Tank Pressure Sensor Circuit High Voltage
P0463Fuel Level Sensor Circuit High Voltage
Message Closed w/FIX

car Vehicle Data

1999 Pontiac Montana

VIN 1GMDU03E1X
Engine3.4 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursIntermittently

Trouble Codes

P0440EVAP System Leak Detected
P0453Fuel Tank Pressure Sensor Circuit High Voltage
P0463Fuel Level Sensor Circuit High Voltage