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Old 07-18-2010, 09:00 PM   #1
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Calling TJ Owner's with Scanners

I've been trying to troubleshoot what I perceive as a problem with my TPS in my 02 TJ. My scanner says my throttle position only varies from 8-67%, which seems very off. I was wondering if anyone with a scanner and a TJ could report in with what their scanner gives them for a range in either volts or % as read by the PCM through the scanner

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Old 07-18-2010, 10:35 PM   #2
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It may be ok or slightly off. Mine reads 11% with no foot on the throttle. Full throttle I read 75-76%. Ive also wondered why it never gets to 0 or even close to 100 at full. But from ive read around, what Im seeing is normal and there is no "adjustment" on my 2005 for the TPS, the PCM adjusts to this. It figures out where its closed and where its full open.

Dixit

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Old 07-19-2010, 06:11 PM   #3
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Thanks for the input. From my testing my sensor has a range of 4-98% when not connected to the throttle body. Once I connect it to the TB it seems the nipple off of the throttle body plate limits the sensor's full range. Can anyone else post their results?
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Old 07-20-2010, 09:32 AM   #4
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Bumpp
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Old 07-20-2010, 10:09 AM   #5
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pretty sure my scanner won't show me a value for anything unless a CEL is tripped, then it takes a screen shot of everything. (its a cheapo scanner)
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Old 07-20-2010, 10:12 AM   #6
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Haha damn, I thought mine was cheap. It's an ELM327 USB dongle I connect to a laptop and requires 3rd party software
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Old 07-20-2010, 11:52 AM   #7
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Quote:
Originally Posted by MikalCarbine View Post
Haha damn, I thought mine was cheap. It's an ELM327 USB dongle I connect to a laptop and requires 3rd party software
I have this
CAN OBDII Code Reader with Multilingual Menu

I spent like 20.00 on it. I had a ranger that had issues, and this met the minimum requirement to get the job done....

I've never plugged it into the Jeep. I can try after work today if I remember where I put it.
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Old 07-20-2010, 12:05 PM   #8
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Quote:
Originally Posted by MikalCarbine View Post
I've been trying to troubleshoot what I perceive as a problem with my TPS in my 02 TJ. My scanner says my throttle position only varies from 8-67%, which seems very off. I was wondering if anyone with a scanner and a TJ could report in with what their scanner gives them for a range in either volts or % as read by the PCM through the scanner
You didn't get the memo about the new TPS reports?
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Old 07-20-2010, 03:42 PM   #9
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You didn't get the memo about the new TPS reports?
LOL nice one

My father works for car dealer services of a company and he's been talking to a Jeep mechanic for me. The mechanic had a few questions about this for me and I'll post what he tells me. In the meantime keep any results coming, I'm surprised from the lack of scanner owners
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Old 07-21-2010, 06:17 AM   #10
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I'm keeping this thread going

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