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1991 Jeep Wrangler

Tiny
RKING11319
  • MEMBER
  • 1991 JEEP WRANGLER
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 135,000 MILES
I changed my exhaust yesterday, I have done it in the past with out and issue. I got everything back together and went to start it, it cranked over but would not start. I checked my connections they were all good so I check the spark plugs, I had no spark. I then checked the coil and had no power to the coil. I checked the engine codes and got the following: crank sensor/circuit; tps sensor/ciruit; manifold air temp sensor/circuit; distributor sync/ circuit. I checked all fuses and relays, they were good. All of the grounds also look fine.
Thanks
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Tuesday, July 21st, 2009 AT 5:38 PM

3 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Check the injectors connector -dark green and black wire for power no power there also could mean a defective ASD relay-The ASD relay powers the coil.
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Thursday, January 17th, 2019 AT 3:00 PM
Tiny
RKING11319
  • MEMBER
  • 4 POSTS
I get power to the injector for a split second when engine is first cranked over but then nothing. Switched out the auto shutdown relay and still no spark.
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Thursday, January 17th, 2019 AT 3:00 PM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Power the coil from the battery and see what happens.
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Thursday, January 17th, 2019 AT 3:00 PM

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