HELP.. throwing a p0201
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Year: 1990
Model: Cherokee
Engine: 4.0
HELP.. throwing a p0201
its a 98 cherokee 234000 miles full msd ignition.(if that matters) k so i checked it out and it sais (injector circuit) open= cylinder 1.... k so to strart with i had it runnin and pulled injector 1 plug no change, pulled injector 2 plug no change but 3 4 5 and 6 all made it run worst. its runnin like a lets just say it runs like a ford lol (no offence to ford guys) so i checked for power in the first two plugs and i have power... so i put two new injectors in and still the same thing cleared the code and it came on within 10 seconds..... so one thing i was told is im supposed to prime new injectors, i didnt do that. could that be it??? any ideas???
Last edited by 90 xj; 01-09-2010 at 11:06 PM.
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