Question about 2001 Nissan Pathfinder

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2001 nissan pathfinder, changed idle control valve, tried reprogram feature no success, tested circuits to ECM and TPS circuits are good power flows to idle switch and through switch correctly to ECM but ECM does not see voltage. Engine SRAMs surges.

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  • 42 Answers

Loosen screws to idle air control valve. Move very gently & slowly. possibly in wrong position.

Posted on Apr 19, 2014

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Posted on Jan 02, 2017

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SOURCE: 2001 nissan pathfinder- car wont start

bad starter

Posted on Mar 12, 2009

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SOURCE: 2001 nissan altima idle surges

I had same problem.It turned out to be intake gasket.If it surges when u come to stop or in park, u may want to look at corners of intake,spray something that burns around intake , if the idle levels out it is gasket.

Posted on Apr 06, 2009

  • 4 Answers

SOURCE: 1997 Nissan Hardbody has rough idle/surges/stalls

the 2001 altima is what i have and I had the same problem as you. turned out to be a bad head gasket factory used cheap ones for a few years before they found the problem. one way to test this is to get a can of carborator cleaner and spray it around the area where the head meets the block under the intake problem should be around the 4th cylinder or close to driver side. if the head gasket is bad the rough idle will smooth out while you are spraying the head.

Posted on Aug 06, 2009

  • 290 Answers

SOURCE: 1995 Nissan Maxima idle problems

Let's try the cheapest fix first. Change the fuel filter out. You'll probably see a brown looking goop in the gas, This is an "ETHANOL" problem. Read up on it. These are all related to so many idle and acceleration problems. Buy a can of SEAFOAM at the parts house. Fill up tank with Premium and add SEAFOAM. Then change filter out before 500 more miles. This should clean out the water and the goop and the carbon build up caused by the ETHANOL. Add a can of SEAFOAM every 3000 mile after that to a full tank of gas. It will keep your emissions,engine, and fuel lines clean. And will keep your car from line freeze up. Good luck.

Posted on Aug 29, 2009

  • 1 Answer

SOURCE: 1997 Nissan Hardbody has rough idle/surges/stalls

ok i have the same truck my timing was off 3 teeth but mine wouldn't kick out of high idle is y mine was surging but know with timing right no vacuum leaks i cant get it below 1400 but when a vacuum turns on it almost kills my engine any thoughts i know i got a vacuum line mixed up idk were though

Posted on Jan 19, 2010

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NIssan Pathfinder wil not start


put new ecm and wire harness too

Jul 07, 2014 | 2001 Nissan Pathfinder

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Changed fuel filter on 01 pathfinder but still acts like its clogged


The air control valve is not the problem if you are talking about the idle air control valve.
It does have a mass air flow meter which could cause the problems you described. But since the part is over $200 it would pay you to get the truck checked out before you start replacing parts.
Is the check engine light on ?

Sep 15, 2012 | 2001 Nissan Pathfinder

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2001 pathfinder LE code 1320 won't clear


DTC Confirmation Test Malfunction is detected when ECM does not receive signal from ignition primary circuit during engine cranking or running. Possible causes are:
  • Ignition primary circuit open or shorted.
  • Defective power transistor (integral with ignition coil).
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Apr 22, 2012 | 2001 Nissan Pathfinder

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1992 K1500, code 22, clicking noise from throttle body, will not accelerate properly, changed TPS with no change


OBD Code 22 - Throttle Position Sensor Error (Signal Low)
The Throttle Position sensor signals the Engine Control Module as to the current position of the engine throttle valve. The current throttle valve opening is based on the driver's input from the gas pedal. The ECM uses the information from this sensor to help calculate fuel delivery and spark timing.

Symptoms:
* Extended cranking, possible no-start condition
* Lack of power
* Erratic transmission operation

Common Problems:
* A failed Throttle Position Sensor (TPS) would be the most common causes for code 22
* Testing the TPS circuit would involve checking voltage and ground from the ECM-5v is the normal reading between the ECM reference circuit and the ECM ground circuit at the TPS connector. Checking the TPS signal circuit to the ECM would involve monitoring the TPS signal on a scan tool while jumping the 5v reference and the signal circuits. The TPS reading should go from high when the circuit is "jumpered" to low when the jumper is removed.


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1 Answer

Computer is out of car...before putting back in the rebuilder of the computer says I have to replace The Idle air control motor...the TPS and the Intake air temp sensor. Is there a way to check these parts...


the only component that they sggested you replace that could damage the ecm is the idle air control motor.it is very common for these to short out when they fail and damage the drivers that control them in the ecm.you say you recently replaced idle copntrol motor?did you get it from nissan?if not have it checked for proper resistanc across coils(22 ohms?).alsolook for sign of coolant in valve or valve bore as mounting gasket failure can allow coolant to damage valve.as a rule sensors can not damage ecm only actuators can.another common one on these are the electronic motor mounts.....when they short thy damage ecm.good luck.

Mar 02, 2011 | 2001 Nissan Maxima

2 Answers

P1444 Flujo de purga del circuito de entrada en q parte se encuentra localizada o localizado el senso r o valvula.nissan patfinder 98 motor 3.3


I don't know any Spanish but here is the codes definition.

P1444 - Purge Flow Sensor Circuit Low Input

The EVAP canister purge volume control solenoid valve uses a ON/ OFF duty to control the flow rate of fuel vapor from the EVAP canister.The EVAP canister purge volume control solenoid valve is moved by ON/OFF pulses from the ECM. The longer the ON pulse, the greater the amount of fuel vapor that will flow through the valve.

Causes:
  • EVAP control system pressure sensor
  • EVAP canister purge volume control solenoid valve (The valve is stuck open.)
  • EVAP canister vent control valve
  • EVAP canister
  • Hoses (Hoses are connected incorrectly or clogged.)
  • Feb 02, 2011 | 1998 Nissan Pathfinder

    3 Answers

    Car starts but will not remain on ...already replaces sparkplugs and fuel pump.


    replace the faulty fuel pump relay next to get you going back to normal

    Jun 16, 2010 | 2000 Nissan Maxima

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    Not idling


    Try checking your idle air control valve and see what happens

    Jul 19, 2009 | 1996 Nissan Maxima

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    Changed mass air sensor still stalling 1997 nissan pathfinder


    As a factory Nissan trained Technician with dealership experience - it can be many things, but it sounds alot like a mis-adjusted or faulty TPS, and/or a faulty IAC(Idle air control) valve - I'd try the TPS and set to appx. .50 vdc (.47/.49) Volts DC and if that isn't it, I'd definitely look to the idle air control valve ( allows for air bypass - sometimes called bypass air control valve). May then need base timing and idle set at shop with OBDII ignition disabling option, for seting timing and idle, otherwise computer won't allow proper setting...then if connector to IAC is OK - should be just fine...

    Jan 25, 2009 | 1997 Nissan Pathfinder

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    2001 Nissan Maxima GLE oxygen senser


    try here
    manual

    or here
    forum with loads of info

    Jun 16, 2008 | 2001 Nissan Maxima

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