wont start
09-12-2010, 11:32 PM
#1
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Join Date: Oct 2009
Location: seminole ok
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Year: 91
Model: Cherokee
Engine: 4.0
wont start
my 88 4.0 wont start inless u pure fuel in the intake that is the only way it will stay runnin. so i'm guessin that my injectors r not workin but they r new i'm gettin good fuel pressure all the way to the fuel rail so was wonderin if it could be a sensor i also just replace crank sensor and its gettin good fire to all plugs
09-13-2010, 12:37 PM
#2
Junior Member
Do you have a power probe or multimeter? Check for power to your injectors. Power Probe would be the easiest thing to use if you can get a hold of one. And check ground to, b/c if you're getting fuel pressure and spark, but no spray from any of the injectors, they share a common ground, but are individually powered by the ecu.
Last edited by JeepKitty; 09-13-2010 at 12:52 PM.
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