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Old 10-06-2012, 05:16 PM   #1
martiw
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Angry Engine start /stall

I have 2005 Colorado the engine starts and few seconds later it stall no error code need help
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Old 12-18-2017, 06:21 AM   #2
henk1
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Re: Engine start /stall

I have the same problem.Did you fix this?
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Old 12-18-2017, 09:44 PM   #3
Tech II
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Re: Engine start /stall

Well, what you could have is a Security problem.....

First check fuel pressure.....

If ok, then check for injector pulse.....

If you have a problem doing either task, get a can of carb cleaner...have someone crank vehicle while you spray carb cleaner into the intake.....if engine starts and runs as long as you spray, then you have a fuel delivery problem...

Either low/no fuel pressure, or injectors are not firing.....

Fuel pressure is confirmed by a gage...

Injector pulse by a noid light......

If you have a Security problem, the system will pulse the injectors once, and then shut down, thus the start/stall symptom.....This is a problem with the PassLock Security system.......

There are a number of Youtube videos on the Passlock system.......even a procedure for resetting......but I found this video, and maybe it will help you....

https://www.youtube.com/watch?v=RRPsasrZMZA
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