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Unread 03-14-2007, 10:48 PM   #1
4wheeler98
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2007 JK Wrangler 
 
Join Date: Oct 2006
Location: waterford, mi
Posts: 36
Stalling problems

yesterday night, i was driving my tj 4.0. my gas gauge was saying i had 1/4 tank of gas, i stopped at someones house and was waiting in their driveway and the jeep stalled, i started back up but imediatly died and my gas light was on. so after a walk to the gas station the jeep started right back up. i was driving at about 55mph and went to pass someone, and the rpms dropped real low and i had no power, so i pulled over and it stalled, but started right back up and it ran fine. now everytime i stop the rpms drop real low almost stalls then picks it self back up, then almost stalls, i checked the fuel pressure its all good so i dont think its my fuel pump. also theres a high pitched squeal coming from some where underneath.

(sorry this is so long)

Thanks in advance

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Unread 03-14-2007, 11:07 PM   #2
4wheeler98
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also i replaced plugs wires, cap rotor everything about 4 months ago.
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Unread 03-14-2007, 11:11 PM   #3
$lick
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off topic. but how much did that tune up run you, as far as sparks plugs distributor and rotor?
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1997 Wrangler 2.5L 5spd

Suspension specs:
RE 3.5, 1.25 JKS BL
Old Man Emu shocks
Teraflex adjustable front trac bar
JKS Disco's
Axle specs:
Dana 30- Superior 4.88's
Detriot tru-trac locker
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Unread 03-14-2007, 11:16 PM   #4
Red_
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2001 TJ Wrangler 
 
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fuel pump?
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Unread 03-14-2007, 11:24 PM   #5
4wheeler98
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I thought the fuel pump to, but i got a fuel pressure gauge checked and recheked it always right 45 to 55 psi.

(Ans also i dont remember how much i paid for everything for the tune-up.)
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Unread 03-14-2007, 11:36 PM   #6
Wheelin98TJ
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1998 TJ Wrangler 
 
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Sounds like the throttle position sensor is acting up. The rough idle is what leads me to believe this.

It could also be that your IAC module is dirty. Take it off and give a good cleaning with throttle body cleaner. I'd do this before replacing the TPS since its cheap and easy.
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Unread 03-14-2007, 11:43 PM   #7
4wheeler98
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all right i willl give that a try tomorow and see what happens thanks.
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