Question about 2001 Pontiac Bonneville
01 pontiac bonneville car shakes and shutters at low rpm replaced fuel pump ,fiter ,timing senser ,coil pack etc. did not help, GM dealer checked low compression #4 clylinder.replaced with 40,000 mile motor still have same problem.
SOURCE: I have an electrical problem.
well the window and seat problem is probably a broken wire in the harness between the door and body open rubber boot and inspect and repair
the fuel i would start by checking for power at connector back by fuel tank you should have power with key on for about 10 seconds then turn key off and wait for a few seconds and try if you have power it is probably the fuel pump
Posted on Oct 17, 2008
Here is a diagram of the firing order for you 3800 engine. Cylinders 1 and 4 are misfiring because the operate under the same "Coil Pack" and the coil pack has unfortunately gone bad. O'Reilly sells them for between $30-50 depending on the amount of warranty coverage you want. To replace, simply unscrew the screws that hold the coil pack in place. WAIT before unplugging the plug wires. Place the old coil pack and new coil pack next to each other, unplug one plug wire, then plug it to that same port on the new coil pack. then do the same for the other plug wire. Then screw your new coil pack in place, and start you car. should run fine!
Posted on Dec 14, 2009
It could be that you have picked up a batch of dirty fuel that has clogged the gauze input filter that is part ot the fuel pump inside the fuel tank.
Posted on Jul 30, 2010
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