YJ Stalls out HELP! - JeepForum.com

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post #1 of 31 Old 01-21-2013, 07:34 AM Thread Starter
ziloh22
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1995 YJ Wrangler 
 
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YJ Stalls out HELP!

i just added a rock it intake, and a new exhaust manifold, and today i was driving to work, and after i try to come a complete stop, i see the RPMS just drop right to 0 and the jeep stalls out... anyone have any ideas? could it be possible that the intake is sucking in too much air? Keeping in mind this is a 95 wrangler with TBI... one thing i have to look into is that one of the breather hoses from the original intake is not connected because i added the new intake and there is not a port for it ( it dumps into the emission canister )


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post #2 of 31 Old 01-21-2013, 11:59 AM
Mark05059
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check for vac leaks

1998 ZJ 5.2 Auto

1989 Wrangler Black Bone Stock 2.5l 5spd
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post #3 of 31 Old 01-21-2013, 12:33 PM Thread Starter
ziloh22
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Yea. I looked around and didn't see anything other than the one hose that dumps into the canister. I'm gojng to bolt up the stock intake tonight and see if anything changes.

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post #4 of 31 Old 01-21-2013, 12:36 PM
Mark05059
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just use some starter fluid.. spray around the intake.

1998 ZJ 5.2 Auto

1989 Wrangler Black Bone Stock 2.5l 5spd
/l , [____],
|---L--[]lllllll[]-
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post #5 of 31 Old 01-21-2013, 12:39 PM Thread Starter
ziloh22
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I also put on a new belt when I did the exhaust manifold and I had the power steering pump off. Could it be the timing ? Maybe I have to adjust the belt

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post #6 of 31 Old 01-21-2013, 01:14 PM
Mark05059
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that belt doesnt control the timing

1998 ZJ 5.2 Auto

1989 Wrangler Black Bone Stock 2.5l 5spd
/l , [____],
|---L--[]lllllll[]-
()_) ()_)==O=)_)
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post #7 of 31 Old 01-21-2013, 01:17 PM Thread Starter
ziloh22
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Quote:
Originally Posted by Mark05059
that belt doesnt control the timing
Ok. And I didn't touch the distributor at all either so then it can't be timing. Alright well ill try one thing at a time after work and see. Thanks for chiming in.

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post #8 of 31 Old 01-21-2013, 01:34 PM
fiandjos95
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try the idle air control or throttle position sensors
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post #9 of 31 Old 01-21-2013, 01:39 PM
Mark05059
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your jeep was ok before you changed stuff?

1998 ZJ 5.2 Auto

1989 Wrangler Black Bone Stock 2.5l 5spd
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post #10 of 31 Old 01-21-2013, 02:12 PM Thread Starter
ziloh22
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Quote:
Originally Posted by Mark05059
your jeep was ok before you changed stuff?
Yup. Had no issues other than the cracked exhaust manifold. The only other things I changed were the serpentine belt and the intake

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post #11 of 31 Old 01-21-2013, 03:52 PM Thread Starter
ziloh22
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Quote:
Originally Posted by fiandjos95
try the idle air control or throttle position sensors
Is there an adjustment that should be made or a certain way they should be set ?

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post #12 of 31 Old 01-21-2013, 05:20 PM
fiandjos95
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Quote:
Originally Posted by ziloh22 View Post
Is there an adjustment that should be made or a certain way they should be set ?
When my jeep had the same problem, i was told by a mechanic i know to just cleaned the idle air control really well and if it doesnt work to change the throttle position sensor and it fixed the problem
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post #13 of 31 Old 01-21-2013, 05:55 PM Thread Starter
ziloh22
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Quote:
Originally Posted by fiandjos95

When my jeep had the same problem, i was told by a mechanic i know to just cleaned the idle air control really well and if it doesnt work to change the throttle position sensor and it fixed the problem
I'm gojng to try and replace that right now. Running to pep boys. You might make my night!!!

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post #14 of 31 Old 01-21-2013, 06:29 PM
YJ-Nation
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Mine was doing that and I have a 93 and it was the alternator. Watch the voltage gauge when it dies. It'll drop if its doing what I think it is.
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post #15 of 31 Old 01-21-2013, 07:02 PM Thread Starter
ziloh22
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That was it!! The throttle position sensor was bad. Now it stays at a steady idle.!!!!!! Thanks man! And to everyone else who helped out.

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