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Replaced Coil, No Spark


MudSlinger

Member
Joined
Jul 13, 2008
Messages
13
Vehicle Year
1998
Transmission
Automatic
I have a 1998 4.0L that died on me the other day. I pulled the plugs and did a spark test with no spark on the two plugs I tested.

I pulled the electrical connector to the coil and I had 12.4 volts through one wire. I went ahead and replaced the coil and no fix. It cranks over, but never fires. I should have tested the ohms on the old coil but it was a Saturday and I didnt have an ohm meter and only 5 minutes before the parts store closed.

The Tach does not move at all when I try to start, as I know it generally will with other vechicles. Im thinking Cam Sensor or the Computer.

I've also had a history of extended cranking on certain occassions, which I was thinking was fuel filter or Spark plug, however now Im sure its related to this issue.

Am I missing something or am I on the right track?
 
Did you figure out this problem? if so what was the culpret?

I'm having the same issue with my 98 4.0
 
Probably the crank sensor.
 

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