No Spark. - Team Camaro Tech
Troubleshooting Diagnosing problems done here.

 
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post #1 of 3 (permalink) Old Jun 12th, 02, 11:10 AM Thread Starter
 
Join Date: Oct 2001
Posts: 233
We were trying to start a 1990 Jeep Cherokee with a 4.0 last night. We put a new coil, and new module and we still have no spark. There is fuel in the lines and the rotor turns, so the timing chain is good. It does have a short somewhere, because he has to keep charging the battery. Any suggestions on what else to check. I'm thinking it might be the Computer. But if the computer is bad would the fuel pump still turn on when the key is turned. How can we check the computer.
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post #2 of 3 (permalink) Old Jun 12th, 02, 11:22 AM
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Don
 
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Join Date: May 2001
Location: Houston, Texas
Posts: 4,491
Yeah, replace the crank sensor, located on top of the driver's side bellhousing. 2 10mm hex bolts hold it on.

Best done from the bottom.

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Don~ ZZ430DropTop
~~~~and~~~~
70 RS/Z28
67 RS/SS Convertible, 70 RS/Z28


[This message has been edited by ZZ430DropTop67RS (edited 06-12-2002).]
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post #3 of 3 (permalink) Old Jun 13th, 02, 03:19 AM
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Join Date: May 2000
Location: Westlake, OH 44145
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Is that port fuel injected? If so test for injectors clicking. That will tell you if the computer is seeing a crank signal.

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67 prostreet BB Camaro
71 BB SS Chevelle (clone)
2002 35th anniv SS Z28 conv.
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