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Crank, No start

ecgtech

NAXJA Forum User
Location
Hamden, Ct.
Drove my Jeep ('89 4.0 AW4) 50 miles round trip yesterday with no problems. Parked it in the driveway, came back out an hour or so later and now all she will do is crank. Good strong crank, nothing wrong with battery. I have not had any problems with starting before and drive the jeep everyday. I know this is an issue could be caused by any number of things, but was looking for a few places to start.

thanks,

Ecgtech
 
Is the fuel pump priming for about 3 seconds when you first turn the key to the ON position?

Do you have pressure at the Schrader valve on the fuel rail?

Do you have spark?
 
Did you try cranking at all with the throttle wide open? Might clear a flooded condition. I'd pull a spark plug and take a look at the condition. If they are wet, you are getting gas. If they are too wet, you are flooded.
 
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