Question about 1998 Ford Taurus

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I checked engine waning code its P1507, and now want to know Where is is the loacation and how to change idle air under speed controler, and if require its wiring?

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Go to a autoparts store and they will tell you were it is located

Posted on Sep 02, 2010

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How to fix fault code P1507


Possible causes
- Faulty Idle Air Control (IAC) valve
- Idle Air Control (IAC) valve harness is open or shorted
- Idle Air Control (IAC) valve circuit poor electrical connection
What does this mean? Tech notes
The P1507 code means that the engine idle is out of factory specification. Sometimes the Idle Air Control (IAC) may have carbon built up. Disconnect the car battery, remove the valve, clean, re-install valve, and drive the vehicle for about 5 minutes with the headlights and A/C ON to get the idle relearned.
If the problem persist, the IAC valve may need to be replaced.

Read more: http://www.engine-codes.com/p1507_ford.html#ixzz3sFPyZe00

Nov 22, 2015 | 2000 Ford Ranger SuperCab

1 Answer

What is code P1507 IN A 1998 ford crow vic


P1507 - Idle Air Control (IAC) Underspeed Error This DTC is set when the PCM detects engine idle speed that is less than the desired rpm.
  • IAC circuit open
  • IAC circuit short to PWR
  • VPWR to IAC solenoid open
  • Air inlet is plugged
  • Damaged IAC solenoid
  • Damaged PCM
  • The IAC solenoid resistance is from 6 to 13 ohms
  • Disconnect IAC valve and look for no change in engine rpm as an indication of a stuck or damaged valve

Sep 12, 2015 | Ford Cars & Trucks

1 Answer

Ck engine codes


Possible causes for P1505 & p1507
Faulty Idle Speed Control Actuator valve, harness is open or shorted, Idle Speed Control Actuator valve circuit poor electrical connection. No the codes are not related to the EGR. P0198 is related to the engine oil temperature sensor. By the way you should use a meter as supposed to a test light. The test light will not be able to measure 5 volts reference or voltage drops. However I would try replacing the affected parts based on the codes and the info you've provided. Good luck.

Apr 02, 2014 | 2005 Kia Spectra

1 Answer

3 codes came on P1507,P1504and P0175 what do they and what do i do to fix it myself


P0175 indicates an overly rich condition on bank 1, and with the air delivery codes posted, this may resolve itself when the issue causing the other two codes is addressed.

P1504 and P1507 indicates problems with the Idle Air Controller valve. The Ford manual suggests to check the resistance across the two terminals on it. The IAC valve is under the plastic engine cover. I circled it in red on an image here for you.hurckesj.jpg

May 26, 2011 | 2000 Lincoln LS

2 Answers

I have a 2002 ford taurus. check engine light is on. Auto Zone did a scan today and the error code was p1507 can you please tell me what i need to do to fix this problem.


possible problems

Vaccuum leak
failed IAC valve
open or short
air inlet plugged

P1507 means "Idle Air Control Underspeed Error". It can be most commonly caused by a vacuum leak, a damaged Idle Air Control (IAC) assembly or a stuck IAC valve that needs cleaning. Essentially, your engine isn't idling at high enough according to your computer's programming parameters. Many times this shows up in colder weather as you try and start your vehicle. It will usually die unless you put your foot on the gas pedal and raise the RPM's. I have also read where a clogged air filter might be the problem. I would try cleaning your IAC valve first.

Oct 14, 2010 | 2002 Ford Taurus

3 Answers

Diagnostic codes p1505 p1507 ran stalled wont run turns over fine


sorry but their are no diadnostic codes with this number in the manufacturers codes i have
P0505....Idle Control System
P0507....Idle Control System RPM Higher Than Expected
but i have found these generic codes for you if they help

Aug 10, 2010 | 2003 Hyundai Tiburon

1 Answer

Engine light code P1507: ''manf cntrl veh spd idle speed control auxiliary inputs'' and P0306: ''cylinder 6 misfire detected''. this ranger resitates press gas. where do i start?


P1507 is "Idle Air Control System Underspeed Error". This code indicates a problem with the Idle Air Control (IAC) valve assembly, harness wiring for the IAC or the Powertrain Control Module. So checking the IAC next is the most logical step.

Oct 07, 2009 | 1998 Ford Ranger SuperCab

1 Answer

P1507 P0171 & P0174 error codes on 02 windstar


p0171 indicates the system is running lean on bank 1,p0174 means the system is running to lean on bank 2 p1507 is an idle speed under run fault i'd suspect an air leak is the cause of your problem check air intake system for airleaks

Aug 06, 2009 | Ford Windstar Cars & Trucks

1 Answer

Will crank up and will not idle, cuts off. had fuel pump replaced


There are to many things that can cause your blazer from idling.
Go to Auto Zone or Parts Source and they can scan your blazers computer. There should be a DTC code which should make you understand why your having the problem.
I believe they both scan for free and may have the parts you need to replace and give you the how to do it your self instruction for the repair:
 Good luck and hope this helps, here are some codes that control ther idle speed of your engine. It's the air idle control valve that may have gone bad or it just may be a dirty or stuck EGR valve. The scan should let you know.

P1505 Idle Air Control At Adaptive Clip

P1506 Idle Air Control System Over speed Error

P1507 Idle Air Control System Under speed Error

P1508 Idle Air Control (IAC) System - Low RPM

May 05, 2009 | 2001 Chevrolet Blazer

2 Answers

Code p1507,what do i do


Hi there. Sounds like you either need to clean the throttle body.If code still comes back on you need to replace the IAC valve.It on the throttle body and controls the idle and air control to the motor.Hope this helps you.Have a great day...

Apr 01, 2009 | 2000 Lincoln LS

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