Question about 1994 Jeep Grand Cherokee
My 94 Jeep Cherokee Sport 4.0 straight six was running fine. Parked it at night, and the next morning, it would crank, but wouldn't start.
Thought it was fuel, since no gas smell at the tailpipe after cranking, but there is pressure at the fuel rail, so I don't think it is that.
Pulled ignition lead: no spark (screwdriver near grounded metal method).
Pulled low voltage connector at ignition coil: 12 volts at black wire, no volts at green, with ignition on. When cranking, voltage at green wire only goes up to .1 or .2 volts.
All of the fuses and relays appear to be fine, but if you have a test that requires testing them in a certain state or method, by all means lets retest.
Check the ecm and the crankshaft positioning sensor both will keep it from firing
Posted on Aug 18, 2008
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