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03-11-2010, 06:45 PM
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#1 | |
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AF Newbie
 Join Date: Jul 2006
Location: atlantis, Illinois
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99 obs tahoe 5.7 wont start
i was on my way to work today when my truck shut down. i tried to restart it, but it would only crank. after i got off work, i went and checked a few things to try and diagnose it. i get 60 psi at the fuel rail. it leaks down to 53 after a wile. and i checked for spark at the second cylinder from the front on the drivers side, and it is getting good spark. it is not even trying to sputter. it has been giving me code p1441 for a long while. but i'm also getting 1351 code wich is high voltage at ignition. would this be my crank positioning sensor. is there a way to test a crank sensor.
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03-11-2010, 08:13 PM
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#2 | |
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AF Enthusiast
Join Date: Jan 2004
Location: Maybe, California
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Re: 99 obs tahoe 5.7 wont start
Is it the CKP? Maybe but most likely not according to my C/K service manual for P1351.
If there was an issue with the CKP it would most likely set a specific code for that. (P0336,337,338,339). P1351 has 18 trouble shooting steps. Only 2 replacements. ICM & VCM and a lot of circuit testing which includes checking connectors at the ICM & VCM for corrosion and/or?
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03-12-2010, 05:27 PM
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#3 | ||
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AF Newbie
Join Date: Jul 2006
Location: atlantis, Illinois
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Re: 99 obs tahoe 5.7 wont start
Quote:
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03-12-2010, 08:16 PM
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#4 | ||
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AF Fanatic
Join Date: Oct 2007
Location: EVERETT, Massachusetts
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Re: 99 obs tahoe 5.7 wont start
Quote:
ckp is not your problem with that dtc....you got.... ckp bad no spark.... |
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03-12-2010, 08:26 PM
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#5 | |
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AF Newbie
Join Date: Feb 2010
Location: Genesee, Idaho
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Re: 99 obs tahoe 5.7 wont start
had this same problem a couple weeks ago and danced around the dist. because i thought spark looked good at plug also. PULL THE CAP AND ROTOR AND LOOK. stick to visual basics and don't ass u me anything.
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03-20-2010, 07:42 PM
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#6 | |
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AF Newbie
Join Date: Mar 2010
Location: modesto, California
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Re: 99 obs tahoe 5.7 wont start
how do u remove the ignition switch 99 tahoe
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03-21-2010, 09:40 AM
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#7 | ||
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AF Fanatic
Join Date: Oct 2007
Location: EVERETT, Massachusetts
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Re: 99 obs tahoe 5.7 wont start
Quote:
give your detailed explaination on your issues ..this will get the most /best response.. |
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