Running Problems
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Junior User
Joined: Mar 2004
Posts: 92
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From: valliant
Running Problems
This is a 97 f250 auto (which has problems as well)
I do believe the ICP is bad, keeps filling with oil but unplugging makes no difference.
This started while driving, actually turning into the driveway I believe.
Basically truck shut off, just like turning off the key. Put in gray cps, would not idle or rev at all. Now has dark blue cps and runs great, except it dies every 2-5 minutes.
Just to clarify the tach does move while cranking, and works once running.
Also possible side problem but the gpr would not shut off. Turn on the key and it stays on so I unhooked the purple wire, and the IDM relay 2 started buzzing.
Now it will still start and run fine for a few minutes, then die, and the relays start clicking.
So new alternator, batteries, cps, gpr (solenoid). It was draining the batteries when the gpr was buzzing.
No cel and no real scan tool that will talk to it.
Just need some ideas where to start here.
I do believe the ICP is bad, keeps filling with oil but unplugging makes no difference.
This started while driving, actually turning into the driveway I believe.
Basically truck shut off, just like turning off the key. Put in gray cps, would not idle or rev at all. Now has dark blue cps and runs great, except it dies every 2-5 minutes.
Just to clarify the tach does move while cranking, and works once running.
Also possible side problem but the gpr would not shut off. Turn on the key and it stays on so I unhooked the purple wire, and the IDM relay 2 started buzzing.
Now it will still start and run fine for a few minutes, then die, and the relays start clicking.
So new alternator, batteries, cps, gpr (solenoid). It was draining the batteries when the gpr was buzzing.
No cel and no real scan tool that will talk to it.
Just need some ideas where to start here.
Fleet Owner
Joined: Aug 2004
Posts: 20,419
Likes: 197
From: AZ
What Adam said. When I had problems it was suggested I remove one of four relays, starting at the bottom then move the other three down and replace the first removed relay at the top. They are all the same and if one is bad it will create a problem else where. If you have the same problem then the relays are probably OK.
Hotshot
Joined: Mar 2012
Posts: 10,590
Likes: 382
From: Texas
This is a 97 f250 auto (which has problems as well)
I do believe the ICP is bad, keeps filling with oil but unplugging makes no difference.
This started while driving, actually turning into the driveway I believe.
Basically truck shut off, just like turning off the key. Put in gray cps, would not idle or rev at all. Now has dark blue cps and runs great, except it dies every 2-5 minutes.
Just to clarify the tach does move while cranking, and works once running.
Also possible side problem but the gpr would not shut off. Turn on the key and it stays on so I unhooked the purple wire, and the IDM relay 2 started buzzing.
Now it will still start and run fine for a few minutes, then die, and the relays start clicking.
So new alternator, batteries, cps, gpr (solenoid). It was draining the batteries when the gpr was buzzing.
No cel and no real scan tool that will talk to it.
Just need some ideas where to start here.
I do believe the ICP is bad, keeps filling with oil but unplugging makes no difference.
This started while driving, actually turning into the driveway I believe.
Basically truck shut off, just like turning off the key. Put in gray cps, would not idle or rev at all. Now has dark blue cps and runs great, except it dies every 2-5 minutes.
Just to clarify the tach does move while cranking, and works once running.
Also possible side problem but the gpr would not shut off. Turn on the key and it stays on so I unhooked the purple wire, and the IDM relay 2 started buzzing.
Now it will still start and run fine for a few minutes, then die, and the relays start clicking.
So new alternator, batteries, cps, gpr (solenoid). It was draining the batteries when the gpr was buzzing.
No cel and no real scan tool that will talk to it.
Just need some ideas where to start here.
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