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  #13  
Old 03-02-2010, 01:14 PM
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Re: '04 Jeep WJ | Engine/Trany Issues

Well after talking to some friends I've decided to change the TPS, AdvancedAuto has a BWD for $34.99 and AutoZone has a Duralast for $45.99. Most of what I've read seems like neither brand is great but seems like Duralast is the least favorite.. what do you guys think?
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  #14  
Old 03-02-2010, 01:45 PM
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Re: '04 Jeep WJ | Engine/Trany Issues

I used a duralast, its goodenough
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Old 03-03-2010, 01:09 PM
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Re: '04 Jeep WJ | Engine/Trany Issues

Kinda off topic but for future reference you can get your error codes yourself in your wj. Cycle the key to the on position from the off position 3 times and it'll give you the codes where your odometer is on the third try.

A lot of people can get by just by cleaning their TPS, I had a really effed up idle (bouncing from 550 - 750) and I did that and all is well.
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Old 03-03-2010, 03:28 PM
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Re: '04 Jeep WJ | Engine/Trany Issues

Thanks for the info guys. Thats a good trick.. going to try that next time she comes on. As far as cleaning everything goes, I'm going to do it this weekend.. busy week of classes Love how the old Jeep i6 just keeps running despite the issues tho .. I'm still a little unsure about the highway speed issue I've seen in the past though. I put some transmission fluid "stabilizer?" from Lucas in it last week and I haven't had it happen since though it was an extremely hit and miss issue to begin with..
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Old 03-03-2010, 06:01 PM
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Re: '04 Jeep WJ | Engine/Trany Issues

Quote:
Originally Posted by dhillon09 View Post
Kinda off topic but for future reference you can get your error codes yourself in your wj. Cycle the key to the on position from the off position 3 times and it'll give you the codes where your odometer is on the third try.

A lot of people can get by just by cleaning their TPS, I had a really effed up idle (bouncing from 550 - 750) and I did that and all is well.
There is nothing to clean on the TPS. The IAC is really the only sensor that can be "serviced".

I say again- REPLACE THE TPS! The TPS , when faulty, will cause erratic converter lockup, which will feel like shifting.
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Old 03-05-2010, 04:08 AM
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Re: '04 Jeep WJ | Engine/Trany Issues

Well guys I just got the TPS changed out and also had to do a little plastic work. It seems as tho someone has had the manifold off in the past and resorted to a less methodical manor of removing it. They managed to crack the collar that slips into the gasket boot/ring that acts as a threshold between the manifold and the throttle body. A little epoxy fixed it right up tho .. I also cleaned the throttle body and IAC. I started it up real quick and I'm still getting the check engine light. Does it take some time to clear out the old error or does this mean the error is still currently being flagged? I've considered replacing the IAC sensor.. Any and all thoughts welcome.. Error codes are still P0122 and P0123
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Old 03-05-2010, 11:02 AM
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Re: '04 Jeep WJ | Engine/Trany Issues

Anyone know the dims for the bolts that hold the throttle body down? I eh make have eh cracked one off last night :-x .. If nothing else I'll just drive it to oriely's and disassemble in the parking lot.
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Old 03-05-2010, 02:04 PM
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Re: '04 Jeep WJ | Engine/Trany Issues

Quote:
Originally Posted by Jester86 View Post
Well guys I just got the TPS changed out and also had to do a little plastic work. It seems as tho someone has had the manifold off in the past and resorted to a less methodical manor of removing it. They managed to crack the collar that slips into the gasket boot/ring that acts as a threshold between the manifold and the throttle body. A little epoxy fixed it right up tho .. I also cleaned the throttle body and IAC. I started it up real quick and I'm still getting the check engine light. Does it take some time to clear out the old error or does this mean the error is still currently being flagged? I've considered replacing the IAC sensor.. Any and all thoughts welcome.. Error codes are still P0122 and P0123
Yeah chances are it's gonna take some time for it to clear unless you reset the pcm. Should go away by disconnecting the battery and cranking the key over a few times.
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Old 03-05-2010, 02:26 PM
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Re: '04 Jeep WJ | Engine/Trany Issues

Just take the - battery post off for about 5 minutes. That should clear all your codes. Hope it was the problem!
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Old 03-05-2010, 02:41 PM
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Re: '04 Jeep WJ | Engine/Trany Issues

Quote:
Originally Posted by Sleepy4.7 View Post
There is nothing to clean on the TPS. The IAC is really the only sensor that can be "serviced".

I say again- REPLACE THE TPS! The TPS , when faulty, will cause erratic converter lockup, which will feel like shifting.
Oh, my mistake I probably mixed up the two I meant the one you pull out of the throttle body.
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Old 03-05-2010, 03:37 PM
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Re: '04 Jeep WJ | Engine/Trany Issues

Quote:
Originally Posted by dhillon09 View Post
Oh, my mistake I probably mixed up the two I meant the one you pull out of the throttle body.
You pull both out of the throttle body.........
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Old 03-05-2010, 08:39 PM
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Re: '04 Jeep WJ | Engine/Trany Issues

Good news gang, the WJ is back up and running like brand new. Ultimately the TPS seems to have been the cause of all my issues though I also did change the spark plugs/boots & fuel filter and cleaned the throttle body & IAC port/sensor. Only down side is I managed to snap one of the throttle body bolts off in the block :-\ ... guess thats why you shouldn't work on a car at 4am.. aside from that all seems well though. Thanks for all of your input!
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