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TJ

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Question
No gauges, no spark
You may have a problem with the relay fuel box not powering the computer. Check to see if the computer is getting powered up by the ASD relay. If you need assistance with this check, I'd recommend getting some help...
Question
My jeep is hesitating sometimes, almost like a misfire, but it feels like it's from the rear of my car. What could it be?
Hi, thanks for writing in. This may be a result of a couple of different things. You mentioned you just out 31" tires back on the Jeep. If it may have had larger or smaller tires on it before or...
Question
Beeps at high speeds, just started a really rough idle and smells like smoke when I start it
The codes you are getting may have something to do with the issues and should be the first things to check. You should have the system checked to see if there are more codes at this point. A large vapor...
Question
Stalling misfiring CEL
Hello, thanks for writing in about your 2003 Jeep TJ. Yes a clogged catalytic converter can cause the O2 sensors to go bad prematurely. I suggest replacing the clogged catalytic converter before installing the new O2 sensors. I can't say...
Question
Fluctuating rpms stalling acclerating
Hello. There is likely a restriction in your EVAP system such as a clogged EVAP line or clogged canister. I suggest that you have a technician inspect your stalling issue in person. They should check the EVAP system for clogging...
Question
started jeep then died
Hello. Your 2004 Jeep TJ may have a voltage regulator inside of the alternator that is beginning to go bad or a dirty/faulty idle air control valve. I suggest that you have a technician check the condition of the alternator...
Question
Stops dead while driving
Hi there. You could have a fuel pump going bad or a dirty mass airflow sensor. I suggest checking the fuel pressure of the vehicle to determine if the engine is receiving the proper fuel amounts. Inspect the mass airflow sensor visually...
Question
Error code SRS system
Hello. The multitude of codes that the engine has leads me to believe that it was subject to flooding or submersion. The connectors and circuits of jeeps usually dry out because submersion is kind of what Jeeps are meant for, but...
Question
Start up problem - 2001 Jeep TJ
Hello. The clicking sound you are hearing may possibly be related to the starter solenoid which is a unit located on the starter that transfers current to the starter when you turn the key. The grinding noise you are hearing...
Question
Clutch pedal not connected to cylinder rod.
Hi! That is a Jeep issue I have not seen with my own eyes. It makes me think that there may be a misalignment between the pedal and the pushrod. Possibly a worn bushing on the pedal allowing it to...
Question
Help
As you may know, installing a lift kit changes the entire geometry of the vehicle's drive train. If the corresponding components (i.e. drive line, joints, etc.) are not re-sized or adjusted accordingly, this can cause a variety of problems resulting...
Question
not cranking over 1997 Jeep TJ
There are a couple possibilities. First, check and see if you're getting the constant power supply at the starter motor and if you're getting switched power at the starter solenoid that only shows up with the key in the crank...
Question
Torque issues
Hi there. If the slipping problem goes away when the car warms up, then it is most likely a seal or solenoid failing. As a vehicle ages, rubber seals begin to get hard and they don't seal as they should....
Question
Loud rough ride coming from the front of car.
Hey there, thanks for writing in to YourMechanic. There are many things this may be, ranging from front differential problems to an out of balance tire to bad wheel bearings. For an issue like this I would recommend having a...
Question
I'm trying to reinstall the clutch slave cylinder into the bell housing, but I cant get the shaft to depress so I can bolt it on
It is normal for the shaft to flop around. The slave cylinder may have pressure built up behind the piston. In order to push the piston back you should open the bleeder screw on the slave cylinder just enough to...
Question
What tool is needed to open the bleeder valve on a 2006 Jeep Wrangler's clutch slave cylinder?
You should have a small Allen type of screw bleeder on the top side of the slave cylinder that needs to be turned loose counter clockwise until the fluid pressure is released and the shaft can be pushed back and...
Question
Miss fire cylinder #1, bank 1 sensor 2 codes
Hi there. Before going after a possible catalytic converter or oxygen sensor bank(1) sensor(2), the misfire needs to be corrected. The check engine light flashing would be ECM (engine control module)/computer recognizing the misfire. The spark plug and spark plug...
Question
Missing in the beginning & RPM cutoff at 3000
Hi and thanks for contacting YourMechanic. If the engine is misfiring and you cleaned the air sensor, I think you mean Mass Airflow (MAF) sensor, then the problem lies within the sensor. Replace the MAF and recheck for the conditions...
Question
2002 Wrangler. Replacing an air control valve. After installing, is there anything special we have to do?
This is a relatively simple process that generally includes unhooking the old idle air control valve and plugging in the new one. Here are some simple steps to follow: Scan the computer system in the car for codes Check...

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