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No voltage to my tps, 1999 jeep Cherokee sport 4.0, I've
I've replaced the tps but engine still runs at about 2500 rpm. … read more
Dan
Dan
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Associate Degree
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Jeep Cherokee: 1998 Jeep Cherokee XJ 4.0/6cyl Will crank,
1998 Jeep Cherokee XJ 4.0/6cyl Will crank, will not start Throwing Codes ODBii: P0123: (Throttle Position Sensor Voltage High Throttle position sensor input above the maximum acceptable voltage. P0118… read more
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Roy
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Jeep grand cherokee: CODE P01232003 Jeep Grand Cherokee •
CODE P0123 2003 Jeep Grand Cherokee • 4.0L 6 cylinder 4WD Automatic • 106,000 miles CEL on, codes p0122 & p0123, try to clear codes and 122 clears 123 will not clear. Vehicle runs terrible, hesitates,… read more
sprinkles08
sprinkles08
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2004 Jeep Liberty: cruise control..Dashboard..steering wheel switches
I have a 2004 Jeep Liberty. The cruise control will not engage. The Dashboard panel light comes on when steering wheel switches are turned on, the control dosen't set at any speed. I have checked ever… read more
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2004 Jeep: 4.0L..Check engine light is on..rpm jumps from 800
2004 Jeep GC 4.0L, Check engine light is on. RPM jumps from(NNN) NNN-NNNNmomentarily. This causes surging at stop when in gear with brake on. Dealer scan PO122 and PO123 for TPS. They performed sensor… read more
Ron Z.
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1992 Jeep Cherokee: 000 miles..Runs great here and there..two problems
I have a 1992 Jeep Cherokee 4.0L....it has 236,000 miles and counting. Runs great here and there. _I have two problems. 1) I notice the engine overheats when I'm in bumper to bumper traffic or if I'm … read more
Chris
Chris
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2005 Jeep Grand Cherokee: hemi..light comes..throttle body
I have a 2005 Jeep Grand Cherokee with a 5.7L Hemi engine. The Electronic Throttle Control light comes on (accompanied by the ESP light) and when it does the engine will run but there is no throttle r… read more
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Slam shifting, rpm hunting or floating, seems to slip..neutral..jump
2002 JGC Overland.4.7 HO. Rough shifting, slam shifting, rpm hunting or floating, seems to "slip into neutral" during light throttle then jump back into gear, rough idle, high idle especially at start… read more
Amedee
Amedee
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2004 jeep grand cherokee: I coded a PO112..6cyl..IAT sensor
I coded a PO112 on my 2004 jeep grand cherkoee 4.0 6cyl. Bad IAT sensor! I replaced the sensor and the check engine light stayed on! I still have the same code,bad IAT sensor. What can I do to correct… read more
Rudolph Diesel
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of the harness and replace all the pcm and still has a problem
I'm the man of code p0123. i already check all of the harness and replace all the pcm and still has a problem. only in the monring has the problem. we disconnect all the engine sesors.… read more
Mark
Mark
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Vocational, Technical or Trade Scho
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Has anyone run across this condition on a Wrangler 1999 2.5
has anyone run across this condition on a Wrangler 1999 2.5 with manual trans a P0123 tps too high. The dealer already replaced tps & map and still has same code. I have gone thru troubleshooting tree… read more
Tim Mohr
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2001 Jeep Grand Cherokee Laredo: cruise control..highway..randomly
I have a 2001 Jeep Grand Cherokee Laredo and everything is perfect with it, except when I put it in cruise control on the highway, the RPM's will fluctuate and I can hear the engine/transmission shift… read more
sprinkles08
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1996 jeep cherokee: engine revs..it, it sputters..hard time starting
I have a 1996 jeep cherokee. Sometimes the engine revs itself up and then lowers....then when I try to drive it, it sputters. If I turn it off, then it has a hard time starting. After driving awhile, … read more
Scott
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2004 jeep liberty: highway..no warning..fuel gauge goes..shuts
i have a 2004 jeep liberty.as i drive down the highway,the engine will just shut off.there was no warning when this happens.this also happens when the fuel gauge goes below half tank.changed oil press… read more
brownjeff
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Hello. I have a Jeep Liberty 2002 3.7l 6 cylinder 4x4. While
Hello. I have a Jeep Liberty 2002 3.7l 6 cylinder 4x4. While driving, my jeep will not shift into third gear. the rpms just rev and it won't go past second gear. I checked the fluid levels and they ar… read more
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1994 Jeep Wrangler Sahara: manual transmission..it is very cold out it
Hi. I own a 1994 Jeep Wrangler Sahara with a straight 6 cylinder engine and manual transmission. When it is very cold out it sputters and hesitates. I believe it's suffering from lack of fuel. I was t… read more
Chris
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Error P0121 and P0123 on 1999 Jeep Wrangler. Check engine
Error P0121 and P0123 on 1999 Jeep Wrangler. Check engine light is on. Do I need to replace the Throttle Pedel Sensor?… read more
Dave
Dave
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2004 Jeep grand cherokee: Replaced sensor..housing..obd..check engine
2004 Jeep grand cherokee larado w/ 4.0 P0117 on. Replaced sensor @ t-stat housing. Cannot seem to reset obd, check engine still on. Replaced sensor second time, same problem. About 5.4 volts on pwr si… read more
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Meet the Experts:

Chris

Chris

Shop Foreman

3,656 satisfied customers

Jeep Certified Master Tech

Mark

Mark

22 Year Factory trained technician

2,649 satisfied customers

Jeep factory training........25 years in the industry.

Dave

Dave

Jeep Master Tech

1,149 satisfied customers

Chrysler Triple Master, ASE master Tech AA degree in Auto.

moparfl

moparfl

ASE Certified Technician

1,130 satisfied customers

ASE Master Tech Chrysler Dodge Jeep Master Tech

Tim Mohr

Tim Mohr

ASE MASTER TECH

1,052 satisfied customers

30 YRS EXPERIENCE, FOREIGN AND DOMESTIC, GAS AND DEISEL

Ron Z.

Ron Z.

- Jeep Tech -

641 satisfied customers

18+yrs experience. State Inspector & Jeep Diagnostics/Repair

jeepmopar76

jeepmopar76

Jeep/Chrysler Triple Master Tech

579 satisfied customers

32yr ASE Master Tech, 9yr Chrysler Master Tech, 19 yr Jeep Dealership service including AMC/Eagle

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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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