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I have a the check code p0507 on my car Nissan altima coupe. Can someone help me with this

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  • Cars & Trucks Master
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Code p0507 refers to idle sped control (ISC) system--rpm higher than expected==causes --wiring--isc actuator--iac valve--throttle motor--throtle valve tight/sticking--ECM
it also refers to idle air control (IAC) system --circuit low==causes--wiring short to ground--IAC valve--ECM

Posted on Nov 12, 2014

  • Louis Rodriguez Nov 13, 2014

    This started when the car didn't start. This is a 2008 nissan altima coupe 3.5. I opened the throttle body manually. This is when I got the p0105. I changed the throttle body and also tried very relearning procedure they're were out there on the internet. I idol keeps on goes up and down I will appreciate anymore info on this this problem. Thank you

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  • Contributor
  • 6 Answers

Do throttle relearn procedure.

Posted on Jan 30, 2015

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6ya6ya
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SOURCE: 2006 Altima service engine light on, code 725

Check the SPARK plug condition, and AIR gap.
Regards,DT

Posted on Aug 26, 2009

JJ_Barricade
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SOURCE: receiving engine code p0420 on my 2005 altima 2.5 s

A p0420 code indicates a Catalytic System efficiency failure, Bank 1.
Basically, the computer is seeing reduced efficiency of the catalytic converter or one of it's components (such as an 02 sensor)

There may be a few root causes, such as a faulty oxygen sensor, faulty coolant temperature sensor, faulty converter, Large exhaust leak, or retarded (slow) timing.

Posted on Nov 30, 2009

co7196
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SOURCE: I need the timing marks diagram for a 2.5L Nissan Altima

Ignore me if I am wrong, but I believe the timing is ECU defined and non-adjustable. To confirm, it has a crank position sensor.

Posted on May 25, 2010

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1 Answer

My car is a 2006 Nissan Altima I need an electrical throttle control actuator and my engine code is p0507


code p 0507 refers to idle speed (ISC) system-rpm higher expected ===causes ---wiring---ISC actuator --IAC valve--throttle motor ---throttle valve tight /sticking---ECM
it also refers to idle air control (IAC) system --circuit low ===causes ---wiring short to ground ---IAC valve --ECM
I would be wary of getting the throttle control actuator as all of the other possible causes indicate that it may not be that that is faulty

Jul 24, 2017 | Nissan Cars & Trucks

3 Answers

How to fix a dtc p0507?


A vacuum leak Leaking air intake after the throttle body EGR valve leaking vacuum A faulty positive crankcase ventilation (PCV) valve Damaged/failed/dirty throttle body Failed EVAP system Failed IAC (idle air controller) or faulty IAC circuit

Sep 28, 2015 | 2005 Nissan Altima

1 Answer

Hy is there a code p0507? and how do i fix?


This P0507 code is one that's sometimes triggered on vehicles that have electronic throttle control. That is, they don't have a regular throttle cable from the accelerator pedal to the engine. They rely on sensors and electronics to control the throttle. In this case, the P0507 DTC (diagnostic trouble code) is triggered when the PCM (powertrain control module) detects an engine idle speed that is greater than the desired (pre-programmed) RPM. In the case of GM vehicles (and possibly others) if the idle speed is over 200 rpm higher than expected, this code will be set. A P0507 DTC trouble code may be caused by one or more of the following: A vacuum leak Leaking air intake after the throttle body EGR valve leaking vacuum A faulty positive crankcase ventilation (PCV) valve Damaged/failed/dirty throttle body Failed EVAP system Failed IAC (idle air controller) or faulty IAC circuit. This DTC is more of an informational code, so if there are any other codes set, diagnose them first. If there are no other codes, inspect the intake air system for air or vacuum leaks and damage. If there are no symptoms other than the DTC itself, just clear the code and see whether it returns. If you have an advanced scan tool that can interact with the car, command the idle higher and lower to see if the engine responds appropriately. Also check the PCV valve to see if it's blocked and needs to be replaced. Check the IAC (idle air controller) if equipped, verify it's operation. If available, try swapping in a new throttle body to see if that fixes the problem. On Nissan Altimas and possibly other vehicles the problem may be fixed by having the dealer perform an idle air relearn procedure, or other relearn procedure


Jul 27, 2014 | 1999 Daewoo Leganza

1 Answer

Hi, I have 2004 Nissan Altima and Service Engine soon light is ON since last few days, today i went to AutoZone and then found Error Code P0507 So can you please suggest how to reset this light? and...


the dreaded P0507, have you had your throttle body cleaned lately? I did clean a neighbors TB while doing other maintenance things to it, and this popped up-and it was miserable getting rid of it. You have to do a 'relearn' procedure (about a million times or so, it seems) and DO NOT take it to a dealer-they will just charge you $100 and tell you to install a new throttle body (not cheap). They know this is a problem, and act like you have done something wrong for merely cleaning a dirty TB. It can and will go away if you do the 'relearn' procedure-read this post for information on how to fix it. it is just annoying but does not have to cost anything to correct. His took MONTHS to reset, but it did, and I did a lot of research on this and can assure you it is not what the dealer would have you think it is-they will try to separate you from your money for this code. read this:

http://www.nissanclub.com/forums/2002-2006-nissan-altima-discussion-2-5-3-5/243119-p0507-idle-control-system-rpm-higher-than-expected.html

Sep 05, 2011 | 2003 Nissan Altima

1 Answer

Service Engine Soon


That is pure nonsense. The PO 507 appears to be Idle Air Control System

Look over the car yourself

Make sure the Air Filter cover is on correctly and all duct work to the Throttle Body is in place and tight and you have no other vacuum hoses off.

You never need a Dealer. All you need is good professional scanner and up todate software.

Find a NEW Shop that cares to work on your vehicle

Jul 29, 2010 | 2005 Nissan Altima

3 Answers

My nissan is showing this code p0507. What is that mean.


idle controll system idle to high is the code description

Jun 09, 2010 | 2003 Nissan Maxima

3 Answers

My 2005 altima idles high and engine code


This P0507 code is one that's sometimes triggered on vehicles that have electronic throttle control. That is, they don't have a regular throttle cable from the accelerator pedal to the engine. They rely on sensors and electronics to control the throttle. In this case, the P0507 DTC (diagnostic trouble code) is triggered when the PCM (powertrain control module) detects an engine idle speed that is greater than the desired (pre-programmed) RPM. In the case of GM vehicles (and possibly others) if the idle speed is over 200 rpm higher than expected, this code will be set.

Jun 07, 2010 | 2005 Nissan Altima

1 Answer

2004 altima 3.5L codes P0037 P0507 One is a heat O2 sensor how can you know which one exactly


P0037 HO2S Heater Control Circuit Low (Bank 1 Sensor 2)
P0507 Idle Control System RPM Higher Than Expected
bank 1 is the side with number 1 spark plug but the o2 sensor is going to be the one just before the catalytic convertor. the other codes has to with idle and you either have a vacuum leak (which would cause eratic idle(up/down))or you have no accelerator cable and there is a problem with one of the sensors either at the throttle body or on the pedal assembly.

Dec 29, 2009 | 2004 Nissan Altima

4 Answers

2002 nissan altima p0507 idle problem


I had the same problem before. after using the scanner i got a code number P0507. "Idle Air Control", New 2002 and up Nissan models like my Altima don't have an idle valve or sensor like older models to be replace. Here's the solution " Replace your "Throttle Chamber" the idle sensor is build in it, there is no other way to fix this problem. the throttle chamber is about $175.00 at your Nissan Dealer. The need your core or you will need to pay extra money. No need for expensive mechanic shop, you could do this your self. the throttle chamber is so easy to remove, four screws holds it together. I will take you about ten to twenty minutes to replace it. Please trust me and you will save big bucks!!!!!

Sep 19, 2008 | 2002 Nissan Altima

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