89 no spark and no idea
Thread Starter
Junior Member
Joined: Dec 2011
Posts: 93
Likes: 1
From: cd'a idaho
Year: 89
Model: Cherokee
Engine: 4.0
i have no idea why i have no spark in from coil to cap.i have change coils,wires cap rotor,fuel reg, fuel filter and cps also check grounds and wire harnesses. is there anything i need to look at next or just keep looking?? big thanks for any good info
Seasoned Member
Joined: Jan 2012
Posts: 422
Likes: 0
From: Valley Park, MO
Year: 1989
Model: Cherokee
Engine: 4.0L Renix Freshly Rebuilt!!
Keep Looking! Hahah jk. Have you checked this out yet? https://www.cherokeeforum.com/f23/te...itings-136452/
Good stuff in there!
Good stuff in there!
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Thread Starter
Junior Member
Joined: Dec 2011
Posts: 93
Likes: 1
From: cd'a idaho
Year: 89
Model: Cherokee
Engine: 4.0
i lack a volt meter or i would have checked the cps it is new but that doesnt mean much anymore with crappy parts fling off the store shelves.any other ways of checking if its a GOOD one
Seasoned Member
Joined: Jan 2012
Posts: 422
Likes: 0
From: Valley Park, MO
Year: 1989
Model: Cherokee
Engine: 4.0L Renix Freshly Rebuilt!!
Originally Posted by Rusti's91xj
i lack a volt meter or i would have checked the cps it is new but that doesnt mean much anymore with crappy parts fling off the store shelves.any other ways of checking if its a GOOD one
The only other way I could think of testing it would be to swap out a known good cps off a renix motor.
::CF Moderator::
Joined: Aug 2011
Posts: 43,971
Likes: 1,579
From: Prescott, Az
Year: 1990
Model: Cherokee (XJ)
Engine: 4.0
For $15 of the cost of a meter, I'd rather test a cPS than replace it.
CF Veteran
Joined: Mar 2010
Posts: 47,923
Likes: 38
From: Broward County Fl.
Year: 1989 xj sport 2dr
Model: Cherokee
Engine: 12 hole bosch Injectors


