injector pulse problem
09-06-2010, 01:07 PM
#1
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Location: mustang ,ok
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Year: 1990
Model: Cherokee
Engine: 4.0
injector pulse problem
I have a 90 XJ and i have no pulse at the injectors while cranking. I can prime it and as soon as it starts i have a pulse at the injectors. I have replaced the crank sensor and swap out the ECU. one other thing is the tach acts up at idle. what am I missing???
Thanks
Thanks
09-06-2010, 01:28 PM
#3
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Year: 1990
Model: Cherokee
Engine: 4.0
fuel presser is good i have 34 with vac and 45 with out vac.
I didnt think the 90 model had a cam sensor but i will check. Not to famelier with the 4.0
I didnt think the 90 model had a cam sensor but i will check. Not to famelier with the 4.0
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