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12-29-2010, 11:04 AM
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#1 | |
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AF Newbie
Join Date: Jan 2006
Location: tyler, Texas
Posts: 22
Thanks: 1
Thanked 0 Times in 0 Posts
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confirm me?
Friend calls me says his 97 van b2500 3.9 wont start. i get there it turns over fine acts like it wants to start but wont. i pull out my tester it tells multiple misfire and codes for 2356 cylders misfiring. this part is not new. i check engine data and notice the computer is not changing the timing when its trying to start. I tow the van to my house and check fuel pressure 48lbs no drop. check coil tests good. test the cps and it showes good but as soon as i plug it back in the van starts. to test i removed it from the van and one of the hold down bolts was not tight. the van starts instantly and shows no trouble codes at all. iam still thinking either the cps is failing or there is a ground issue.
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2006 Chevy Uplander ls 3.5 128,000 1997 Buick Lesabre 3.8 and 135,000 1996 Chevrolet K1500 5.7 185,000 plus a 66 belair 65 gmc 70 c10 and a ford |
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12-29-2010, 12:11 PM
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#2 | |
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AF Enthusiast
Join Date: Mar 2005
Location: 0,0,1
Posts: 773
Thanks: 1
Thanked 26 Times in 25 Posts
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Re: confirm me?
Considering that disconnecting then reconnecting the CPS connector allowed the engine to start, you could just be looking at a bad connection there.
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01-02-2011, 04:03 AM
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#3 | |
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AF Newbie
Join Date: Jun 2010
Location: Union, Washington
Posts: 42
Thanks: 2
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Re: confirm me?
F.Y.I. I had a cps connector go bad on my 96 B2500 5.9. Cut it out, resoldered in a new one. I've had a few other connector problems with this Van....good luck.
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