Question about 2000 Pontiac Montana
The module is in your fuel tank hooked onto your fuel pump. Its a common GM problem.
Posted on Jan 07, 2013
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Posted on Jan 02, 2017
SOURCE: gas gauge not working property
Pontiac has a problem with the sender for the fuel guage. A quart of transmission fluid in a full tank of gas usually fixes it. The "engine" light, won't be on because of that. Quite often that is the air filter or fuel cap.
Posted on Jan 02, 2009
SOURCE: Carpet wet behind driver seat
look for rust holes, missing drain plugs, in the floor pan, under the car, spray when driving also comes up off the road and tires, there are a number of points of entry, seat mounnts transmission mounts
not really a solution, just something to check
Posted on Oct 13, 2008
Tips for a great answer:
Jan 30, 2015 | 2002 Lincoln LS
Look into the rear of the trunk behind the driver-side rear-passenger seat and pull back the carpeting. Locate a black, rectangular box that has a wiring harness plugged into the bottom of it. This is the fuel pump driver module.
Unbolt the module by loosening the two bolts holding it in place with a socket wrench. Disconnect the wires at the bottom of the module by simply squeezing the locking tabs on the wires and disengaging them from the module.
Mar 01, 2014 | Cars & Trucks
Oct 04, 2012 | Chevrolet Impala Cars & Trucks
Jan 23, 2011 | 1989 Chevrolet K3500
This is caused by a bad sending unit in the fuel tank, I have
seen this many times and a new fuel sender fixes these every time.
This is very common in montanas... also for the fuel gauge (I believe its applicable for a 2000 and later), it may be an issue with the C-305 connector.
Its a pass-thru connection for wiring (from inside cabin to outside/underneath). It connects various wires for things in rear of vehicle(including connection to fuel pump/sensor). While its weatherproof on bottom (underneath) it is not inside cabin, spills/ various leaks inside can cause water intrusion and subsequent corrosion of wires.
The connector should be under carpet to the rear of drivers seat (you may be able to see exactly where by looking under vehicle for a bundle of wires that come out from cabin) .
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