1992 YJ stalled, cranking but not turning over, replaced TPS per code 24 to no avail - JeepForum.com
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Unread 11-14-2012, 11:28 PM   #1
papotter
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1992 YJ Wrangler 
 
Join Date: Nov 2011
Location: Honolulu, HI
Posts: 13
1992 YJ stalled, cranking but not turning over, replaced TPS per code 24 to no avail

Aloha JeepForumers,

Today I started my 92 YJ (4 cylinder, 2.5L) and went to pull away from the curb and it stalled out. Upon trying to start it again, it would crank strongly but not turn over. I ran the error codes from the check engine light and it indicated code 24 (throttle position sensor issue). I replaced the TPS this evening and no change (the error code did go away though - it isn't throwing any error codes right now).

Here's what I've done in the last 6 months for reference:
- Replaced clutch master cylinder
- Replaced starter motor
- Replaced alternator
- (for this issue) replaced throttle position sensor

I've done a ton of searching on the forums and all sorts of ideas have been floated - cam position sensor, crankshaft position sensor, fuel pump, spark plugs ...

Anyone have any suggestions on troubleshooting for a novice Jeep owner before I bite the bullet and head to my mechanic?

Thanks, as always, for your time.

Phil

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Unread 11-15-2012, 03:39 AM   #2
Mark05059
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1989 YJ Wrangler 
 
Join Date: Mar 2009
Location: quechee Vermont
Posts: 4,201
check for spark and fuel first. Are you getting both?
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Unread 11-15-2012, 09:55 AM   #3
papotter
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1992 YJ Wrangler 
 
Join Date: Nov 2011
Location: Honolulu, HI
Posts: 13
Quote:
Originally Posted by Mark05059 View Post
check for spark and fuel first. Are you getting both?
Mark - sorry about the novice status but I don't know how to check these things - can you give me suggestions or links to a 'how-to'?

Thanks for your time.

Phil
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Unread 11-18-2012, 08:37 PM   #4
laybackman
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1995 YJ Wrangler 
 
Join Date: Dec 2002
Location: Massachusetts
Posts: 5,583
Quote:
Originally Posted by papotter View Post
Mark - sorry about the novice status but I don't know how to check these things - can you give me suggestions or links to a 'how-to'?

Thanks for your time.

Phil
Remove one plug wire. Stick a spark plug in the end gapped to .035" and then ground the plug to metal. Have a buddy crank the engine. Do you see spark?
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