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Throttle position sensor question

 
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Geren8509



Joined: 13 Apr 2019
Posts: 1

PostPosted: Sat Apr 13, 2019 11:47 pm    Post subject: Throttle position sensor question Reply with quote

I replaced my tps, and tried adjusting it to get the idle right, but when i start it when its cold, it revs to 2,000 and slowly drops to 1500. Then when its warm, it idles at about 900 in park. Is there a tps relearn for a 98 pathfinder? 3.3l.
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smj999smj
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Joined: 22 Jan 2012
Posts: 5099
Location: Prospect, VA

PostPosted: Fri Apr 19, 2019 8:05 pm    Post subject: Reply with quote

There is a very specific adjustment procedure for the TPS. You'll need feeler gauges and an ohmmeter to properly adjust it and then, after the adjustment, you'll need to relearn the closed throttle position setting. There was a TSB on the procedure and it should be in the factory service manual, as well, in the Engine Control (EC) section. Nico Club's site has free Nissan FSM's available and NissanHelp.com has the individual sections at their site in the "knowledge base." You'll have to register to access it. Both have TSB's as well.
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2006 Pathfinder LE VQ40DE AWD, aftermarket radiator, Airlift 1000's, Bilstein HD rear shocks, Doug Thorley shortie headers and mid-pipes, Magnaflow 12580 muffler, aFe Momentum GT CAI w/ dry filter, XTP plenum spacer, Superchips Flashpaq tuner
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