HELP. No start - no spark
Thread Starter
Junior Member
Joined: May 2012
Posts: 38
Likes: 0
From: Texas
Year: 98
Model: Cherokee
Engine: 6 cyl 4.0l
HELP. No start - no spark
98 4.0L 6cyl
Sitting at a stoplight, it just turned off. It cranks, but no start. I have fuel pressure but no spark at the coil. I have replaced..
Alternator
Battery
Coil
Pickup Coil
Distributor cap
Rotor cap
Plugs
Wires
Checked all fuses and relays
Ideas????
Sitting at a stoplight, it just turned off. It cranks, but no start. I have fuel pressure but no spark at the coil. I have replaced..
Alternator
Battery
Coil
Pickup Coil
Distributor cap
Rotor cap
Plugs
Wires
Checked all fuses and relays
Ideas????
CF Veteran
Joined: Sep 2011
Posts: 4,172
Likes: 4
From: Riviera, Texas
Year: 1998 Sport
Model: Cherokee
Engine: 4.0
Have you checked the CPS? Sometimes if you unplug it and plug it back in it will start but if it does it needs to be replaced. If you do a search there is a couple of post on here on how to check out the CPS.
CF Veteran
Joined: Nov 2010
Posts: 5,841
Likes: 117
From: In the middle of Minnesota!
Year: 1999
Model: Cherokee
Engine: 4.0
I agree with RTorrez1. Crankshaft position sensor is absolutely the primary suspect.
Do yourself a favor and buy a Mopar unit directly from Jeep. Aftermarket crank sensors are "hit and miss" with a lot of miss.
Do yourself a favor and buy a Mopar unit directly from Jeep. Aftermarket crank sensors are "hit and miss" with a lot of miss.
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