starting problems
Junior User
Joined: Sep 2006
Posts: 76
Likes: 0
From: Maple Ridge, BC
Hmmm and your sure your getting power on the load side of the GPR? and fuse 22 is good? I think you may have another issue going on here... Does the tach move when your cranking it over? If not its the CPS thats toast.
Junior User
Joined: Sep 2006
Posts: 76
Likes: 0
From: Maple Ridge, BC
For the no tach movement, do you have a buddy around that has the same year truck? You could try his CPS, not sure how to test them other than possibly retreiving a code... As for the slow cranking, it could be a bad cable to the starter, a bad connection, or the starter itself is getting weak...
Thread Starter
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Senior User
Joined: Nov 2006
Posts: 271
Likes: 0
From: Odessa
theres a few trucks around here with the same body style, i dont know about the same year. but i have an old one i had taken off b/c i thought i had shot that one but i think it is still good
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Senior User
Joined: Nov 2006
Posts: 176
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Ok, you said it cranks for about 5 seconds and then really slows down. You say that the batteries test good. You have checked the cables and they all look good. You say it still cranks slowly. You say no smoke is coming from the tailpipe. Let me be clear here, it will not start if it is cranking at less than 100 rpm. No fuel will be enabled (hence no white smoke) unless it is cranking at at least 100 rpm. I have seen 7.3's with weak starters and good batteries crank at 93 rpm for 2-3 minutes straight and they won't start. There are other possible reasons for not starting, but if it's cranking slowly, then that's where you need to start.
Senior User
Joined: Oct 2006
Posts: 109
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i tend to agree w/ spike on this one.when my starter went bad on mine she cranked slow,but would not kick.even tried my 800 amp boost attatched,still slow crank,no go.changed starter charged up batteries and wa-la !!