No acceleration above 2,500 rpm, codes P2135 and P0123

2016 NISSAN ALTIMA

80,000 MILES • 2.5L • 4 CYL • 2WD • AUTOMATIC

IKOUKAS

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My car sounds fine when I start it. But the check engine light and trac light are on. Switches From P and Rand D just fine. But when you try to accelerate the rpm won't hit 2,500 no matter how much I push the pedal. It doesn't jerk or make any unusual sounds.

Aug 5, 2019 at 10:04 PM

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KASEKENNY

CAR REPAIR CONTRIBUTOR
18,907 POSTS

Hi,

These codes are for your throttle position sensors. You may just need to replace the throttle body which has the sensors included. I attached the tests and procedure on how to do this.

Please let me know if you have questions.

https://www.2carpros.com/articles/how-to-check-wiring

Images (Click to enlarge)

Aug 6, 2019 at 4:51 PM