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P1121 nissan my nissan micra is not reving properly when the engine light is on...and is still giving this code p1121

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  • 88 Answers

Hi, code p1121 its about electric throttle control actuator. That why your car engine is not reving,

Posted on Jul 19, 2013

6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

  • 6 Answers

SOURCE: NISSAN Micra 1.2 Acenta+

Hi there, should be to the right of the catch just before the right indicator grill, slide it left and pull open bonnet.

Posted on Jun 07, 2009

  • 1 Answer

SOURCE: 98 lexus gs300 codes p1120 p1121

I wanted to start a thread specifically about failures within the throttle body concerning the GS300 (1998 in my case)

My symptons were:
VSC, VSC OFF, and ENGINE Lights would come on, followed by my car going into Limp Mode, where only that last 25% (if that) of the throttle would respond (basically have to floor the pedal to even move at all).

During the mornings, or when the engine was COLD, the throttle operated normal...then once the car warmed up, usually at about 10 mins, the problem would start...it happened intermitantly at first...1 or 2 days over the course of a week, then it became more consitent, until last week it became a daily problem.

The first part I tried was the Throttle Position sensor, which is on the front side of the throttle body, and the easiest thing to replace...this didnt help at all. $300 part from Lexus, $80 part from RockAuto.com (exacly same part toyota OEM)

THE PART THAT FIXED THE PROBLEM:
===========================================
"Idle Valve Motor", which is the larger electrical object next to the TPS on my 98 GS300. Problem is solved.

The Codes I got were P1120 and P1121 - Accelerator Sensor problem. However it wasnt really the Accelerator Sensor, it was indeed to actual electrical Motor that controls the opening of the Butterfly valve inside the Throttle body.

I found the problem by good old trouble shooting, and using an ohm meter to see if the throttle electric motor was getting elev, I found that the elec motor just to the left of the TPS was basically freaking out and shutting down. The Accelerator Pedal Sensor is on the Back-side of the throttle body where the throttle cable connects to, and has a spring on it. It was fine.

GS300's are indeed "drive by wire" concerning the throttle...the cable triggers the Accel Pedal Sensor, which sends a signal to the ECU, the ECU then sends power to the Idel Valve Elec Motor (next to the TPS), which opens and closes the mechanical butterfly valve, then the TPS sensor detects how far the elec motor is actually opening the butterfly valve...its a closed-loop feed-back system, meaning any failure in any sensor will cause the entire systm to fail.

The throttle cable apparently is ONLY there to allow the fail-safe of having that last 10-25% throttle when the electronic system fails...there is a gearbox inside the throtle body which allows the tail end of the throttle to manually engage the butterfly valve...the rest of the time, the butterfly valve is 100% opened and closed via the idle control motor.

Posted on Jul 08, 2009

  • 5 Answers

SOURCE: My nissan micra 2003, malfunction indicator light

OH YES !!!! u have to get ur car computer scanned right away. Theres surely a problem on the way, and before it gets worse, get it scanned and u will easily get to know what needs to be changed. So instead of changing 3-4 things when its gets worse, its better to change only the thing which is required right now.

DO IT RIGHT AWAY !!!

Posted on Aug 04, 2009

  • 1348 Answers

SOURCE: What does the amber engine light mean

catalytic converter,misfire,oxygen sensor,throttle body,fuel injector,throttle position,iac,egr, gas cap.evap system and a hundred other things can set off the check engine light.running a scan will tell which system triggered it.

Posted on Aug 18, 2009

Testimonial: "Brilliant, thank you. So quick in getting the answer back"

lindsay836
  • 677 Answers

SOURCE: i have nissan micra K11 with light flasing code

From what I understand it is the Nissan Anti-theft System (NATS) correct ?
The other numbers you show do not correspond to any codes I can find.
The reason the car is not starting is because the Nissan keys MUST be programmed for that car.
Make sure you did not have a new key made and that if you did you have to program it.
Your owners manual will tell you how.
Please elt me know what you find.

Posted on Feb 08, 2010

Testimonial: "thanks for your help, the car need key porgramer."

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this one will work. http://www.ebay.co.uk/itm/2003-Nissan-Micra-Electronic-Accelerator-Pedal-/321195223272?pt=UK_CarsParts_Vehicles_CarParts_SM&hash=item4ac8ba28e8 dont know if you are in the uk

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From what I understand it is the Nissan Anti-theft System (NATS) correct ?
The other numbers you show do not correspond to any codes I can find.
The reason the car is not starting is because the Nissan keys MUST be programmed for that car.
Make sure you did not have a new key made and that if you did you have to program it.
Your owners manual will tell you how.
Please elt me know what you find.

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