ENGINE DIES

Jeep CJ7

Tiny

Mochie1977

November, 4, 2007 AT 10:19 PM

1. 1977 Jeep CJ-7 (304 V8)
2. 47,000 miles
3. Stick Shift
4. Strange sounds or smells-None
5. Fluid leaks - none
6. Past repair history Lot’s of UPGRADES

Hello,
I have a Jeep CJ-7 with a 304 motor. It has a lot of upgrades the major ones being fuel injection and MSD wiring. My problem is: It starts and runs great but I can be cruising down the road at 20, 30 or even 50 MPH and the motor just suddenly dies (doesn’t cough or run rough just loses power completely). I put it in neutral turn the key off and then re-crank the motor. It always starts right up and I continue on. Sometimes it won't do it again for an hour and sometimes it does it over and over.

Thank you for any help,
Mike

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1 Answer

Tiny

rasmataz

November, 5, 2007 AT 1:05 AM

In the fuel system: The best way to catch this culprit is to hook up a fuel pressure gauge and duplicate the problem could be the fuel pump is failing.

When it dies out also look for spark, disconnect a plugwire and ground it to the engine while cranking engine over do you have spark?

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