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Nissan x trail trouble code p0120 - Cars & Trucks

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

  • 51 Answers

SOURCE: code P0120 on 1999 nissan pathfinder 3.3L

P0120- Throttle Pedal Position Sensor/Switch A Circuit Malfunction

Posted on Feb 01, 2010

nicole99wu
  • 1049 Answers

SOURCE: 96 nissan quest code p0120

this is an obd2 trouble code table, it can help you understand the meaning of code.
and for p0120
the Causes:
Sticking throttle return spring
MAP or TPS connector corrosion
Misrouted harness causing chafing
Bad TPS
Bad PCM
Possible Solutions:
If you have access to a scan tool, with KOEO (Key on engine off) observe the TPS voltage. With throttle closed, voltage should be about .45 volts. It should gradually sweep upwards to approximately 4.5 to 5 volts as you depress the throttle. Sometimes only a scope can capture an intermittent glitch in the TPS signal voltage. If you notice a glitch in the TPS sweep voltage, replace the TPS.
NOTE: Some TPS sensors require fine adjustment. If you aren't comfortable with using a DVOM (Digital Volt Ohm meter) to adjust the new TPS, then it's best to take the vehicle to a shop. If the voltage is not .45 volts (+or- .3 volts or so) with the throttle closed or if the reading is "stuck" then unplug the TPS connector. With KOEO check for 5 volts reference voltage present at the connector and a good ground. You can check the signal circuit for continuity by jumping a fused wire between the ground circuit of the TPS connector and the signal circuit. If the TPS reading on the scan tool now reads zero, then replace the TPS. However if that doesn't change the reading to zero, then check for an open or a short on the signal wire and if none is found, suspect a bad PCM. If manipulating the TPS wiring harness causes any change in idle, then suspect bad TPS.

Posted on Jul 13, 2011

  • 3640 Answers

SOURCE: I have trouble codes that read, P0120 for a

it is TPS/pedal position sensor A curcuit malfunction.

Posted on Aug 13, 2011

alicantecoli
  • 22095 Answers

SOURCE: P0120 intermitant fault on nissan xtrail 2002

P0020 Camshaft Position Actuator Circuit (Bank 2)
This sounds to me like a problem with the electrical connections in the multiplug sockets ,the previous problems were 3 yrs ago but check out that you do not have a siemans coumpter these are prone to weird and wonderfull faults .Normally once you start getting cam sensors and crank sensors then misfire 1/4 and so on this is a prelude to a faulty computer .

Posted on Apr 16, 2012

SOURCE: I have p0120, p0335 and 0325 codes on my nissan

Nothing ever gets replaced, until you look up the
codes & then go to diagnostic charts for your vehicle

Then you component test the code items first

Codes have nothing to do with replacing anything

Study OBD2 Systems

Posted on May 22, 2012

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This sounds to me like a problem with the electrical connections in the multiplug sockets ,the previous problems were 3 yrs ago but check out that you do not have a siemans coumpter these are prone to weird and wonderfull faults .Normally once you start getting cam sensors and crank sensors then misfire 1/4 and so on this is a prelude to a faulty computer .

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Code P0120 on 1999 nissan pathfinder 3.3L


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Feb 01, 2010 | 1999 Nissan Pathfinder

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I have a 2002 nissan x trail currently off the road with a fault code of P0120 (Throttle position sensor) Both potentiometers read normal output voltage when throttle moved, however betwen the switch pins...


If you can get a good scanner plugged into it, you can read the TPS as you slowly depress the throttle to see if it has a dead spot. This is the best way to view the TPS as well as the communication to the computer. You will see it "count" up on the scanner screen.

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