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Idle rough

Tiny
LARRY1097
  • MEMBER
  • 1997 NISSAN PATHFINDER
  • 4 CYL
  • 4WD
  • AUTOMATIC
  • 21,400,000 MILES
I have a 1997 nissan pathfinder put a new air cleaner on and thought I would clean the intake and I removed throttle position sensor. Cleaned it put it back on know I have a po120 code and it runs bad. Is there a right way to install it. I noticed you can ajust it in the screw slots.
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Thursday, June 16th, 2011 AT 7:16 PM

7 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Loosen it and adjust it to the correct voltages closed/WOT-out of specs replace it-
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Thursday, June 16th, 2011 AT 8:03 PM
Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Yes, there is an adjustment.
Turn the ignition off. Ensure the tp sensor wiring harness connector is securly connected. Using voltmeter, backprobe tp sensor harness connector terminals #2 and #3. Adjust tp sensor by loosening mounting bolts and rotating sensor body until output voltage is within spces.

.30--.70 volt, voltage is measured with throttle fully released. With throttle fully depressed, voltage should be about 4 volts.
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Thursday, June 16th, 2011 AT 8:06 PM
Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Hey Raz, I didn't see you have a good day.
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Thursday, June 16th, 2011 AT 8:08 PM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
No problema amigo we pull together as usual-U2 have a great one and take care /God bless
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Thursday, June 16th, 2011 AT 8:33 PM
Tiny
LARRY1097
  • MEMBER
  • 10 POSTS
I don't know what the blank. Using the voltmeter I can't get a reading from the wires when the key is in any position. What am I screwing up. Working on cars for years and this thing.
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Friday, June 17th, 2011 AT 5:48 PM
Tiny
LARRY1097
  • MEMBER
  • 10 POSTS
The voltage will not go below 5 volts
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Friday, June 17th, 2011 AT 10:22 PM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
If you're talking about the TPS -on closed throttle or WOT? If you tried both and still don't wanna co-operate put the sensor in file 13 meaning the trash can
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Friday, June 17th, 2011 AT 10:25 PM

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