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Help needed! Intermittent issue driving me crazy.

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Old 06-14-2017, 07:26 PM
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Default Help needed! Intermittent issue driving me crazy.

I have a 2000 Grandh Cherokee Limited with the 4.7. I get this issue that only happens when the truck is cold. First, sometimes I will go to start the truck and it will start and then turn off. Sometimes it does it 6-7-8-9 times. Sometimes only once. Sometimes it doesn't do it all. When it does do it and eventually starts its fine and will start and stop on key cycle. Now when it does do this and I go to drive it sometimes it will cut the power randomly for a second and then come back. Again, sometimes once or sometimes more. Never fully turning the truck off.

Ive tried replacing terminals, battery, alt, tps, sea foam.

The CEL is on for 02 sensor only.

Help!!!! Please?
Old 06-14-2017, 10:57 PM
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Thank you! I will try this in the morning!
Old 06-14-2017, 10:58 PM
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Isn't there multiple on the V8 though?
Old 06-14-2017, 11:16 PM
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I've been thinking/leaning towards ECU...

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