My 1998 Jeep Cherokee Classic is having trouble starting up. Most of the time it starts right up and runs like a charm, but the last 6-7 weeks sometimes it takes too long to turn over when I turn the ignition. It will cough for an extra 5 seconds or so before finally starting up. Several times it never would turn over, so I had to try again and it started right up on the second time. This weekend it didn't want to start but it finally did and as I backed it out the driveway the RPM dropped so low it almost died. I shut it off before it could happen, but it was going to. Other than that it runs perfectly once it starts. It has trouble at all times of day, and I can't tell that it is any worse when the engine is hot or cold.
The mechanics can't figure out what it is! Here is a list of what I know the problem is not because we've looked at all these things:
Gas (duh. I keep it full)
Fuel pump (had a brand spanking new one put in--no result)
Battery (tested and fully viable)
Battery terminals (clean, no corrosion, well connected)
Throttle plates
Neutral safety switch
It has no error codes. There were no sudden and traumatic events to which I can tie the misbehavior. I've been great to this Jeep and it's been great to me; it has always received good and regular maintenance. Regular flushes, oil changes, filter changes, belt and hose replacements, inspections, etc. Just had new brake pads and rotors put on all. Tires in great condition. Help!!!! I love this thing and no one can figure out what is wrong!
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