
1999 Pontiac Montana 3.4L MIL Lamp on
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 ...
FIX posted 2/4/2004
![]()
iATN Members:
Login to view full TechHelp request Auto Repair Pros: Join iATN to read this TechHelp request Vehicle Owners: Find a nearby iATN member to repair your vehicle (View Replies)4 Replies Received(Hide Replies)4 Replies Received
|
Message Closed w/FIX
|
VIN | 1GMDU03E1X |
Engine | 3.4 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Intermittently |
Trouble Codes
P0440 | EVAP System Leak Detected |
P0453 | Fuel Tank Pressure Sensor Circuit High Voltage |
P0463 | Fuel Level Sensor Circuit High Voltage |
Message Closed w/FIX
Vehicle Data
1999 Pontiac Montana
VIN | 1GMDU03E1X |
Engine | 3.4 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Intermittently |
Trouble Codes
P0440 | EVAP System Leak Detected |
P0453 | Fuel Tank Pressure Sensor Circuit High Voltage |
P0463 | Fuel Level Sensor Circuit High Voltage |