Question about 2005 Chevrolet Express
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Posted on Jan 02, 2017
This is most likely a problem with your Passlock anti-theft system which is known issue with these cars. Passlock is a "passive" anti-theft system, which means that it will disable your ability to start the car if it thinks there is a problem. The three components that can cause this are: 1) Ignition Switch, 2) Ignition Cylinder, 3) Body Control Module (computer). The dealer is the only one who can solve this problem (unless you can bypass it, but it is not that easy). Estimated repair from most dealers is $800 and up.
Posted on Dec 02, 2008
Hi, you have to check your TCC switch, you can do this by disconecting the wire at the harness at your transmission, use a wiring schematic to verify the correct wire, when it is unplugged drive it around an if the problem doe not come back you know what to replace TCC solenoid. Do not drive on the highway with this disconnected though! Another possible problem may be you EGR valve. Let me know if you solved this problem.
Posted on Jan 15, 2009
It is more than likely the fuel pump. I had replaced mine a few years ago, and it was doing the same thing. It is located in the tank and fairly easy to replace.
Posted on Jun 20, 2009
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