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1986 Jeep CJ7 ENGINE

Tiny
BUDMAN45
  • MEMBER
  • 1986 JEEP CJ7
  • 6 CYL
  • 4WD
  • MANUAL
  • 145,000 MILES
I've replaced carburator, spark plugs, wires, distributor cap, rotor. I put a new engine in and still have problems. The engine will backfire and won't run. I've had a mechanic ajust carb, still backfires. Went I disconnect plug on back of carburator, it seems to run ok. Could this be a problem with the computer or how can I check to see if its an electicral problem? Is there a way to check the computer system or do that model and year have a computer system for the engine?
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Friday, January 4th, 2008 AT 10:04 AM

2 Replies

Tiny
BOBO0410
  • MEMBER
  • 5 POSTS
You can go to almost any auto shop and they can hook it up to a computer and find out what the problem is
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Saturday, February 2nd, 2008 AT 12:37 AM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,363 POSTS
These cars had a problem with the fuel line at the tank go bad and allow air to suck in causing the engine to run lean which it sounds like your problem is.
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Wednesday, December 18th, 2024 AT 1:05 PM

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