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  #1  
Old December 10th, 2008, 08:14 PM
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Bill Lewis
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Interesting starting problem

So, I have had some intermittent starting problems. The usual stuff works fine: the pump runs, the fuel pressure is good, the spark seems ok. One day trying to figure it out, I disconnected one of the fuel injectors (farthest front on the drivers side) and it started right up with and engine light of course. I turned off the engine, reset the computer and started it up and off I go.

Had the same problem this morning, did this routine and the truck started right up. Drove it all day, had a problem again tonight, did the same thing and it worked.

I guess my question is: anyone know why this might work? do you think I might have a fuel injector going bad? Or maybe the compression is low on that cylinder?

I haven't been home to check my manual to see which of the injectors that one is.

More out of curiosity that anything.

l8r,
Bill Lewis
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  #2  
Old December 11th, 2008, 10:21 AM
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Charles Galpin
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Bill, I honestly don't know much about the EFI systems, but would love to hear what the problem is. Given your description I'd guess the fuel injector[s] are causing the ECU to decide not to start. Maybe lookup the specs for the resistance the fuel injectors should have, and check them all?

hth
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Old December 12th, 2008, 08:56 AM
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Len Cater
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When it won't start, open the hood and check the throttle position. It is closed all the way? I had some issues and it ended up being a sticky throttle level, which was throwing off the throttle sensor position. After lubing it seemed to solve the problem.
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  #4  
Old December 12th, 2008, 06:12 PM
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Bill Lewis
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Thanks for the info. I will check that next time.

bill
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