Question about 2004 Ford F150

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P code says idle control system rpm low

What can i do to repair this problem

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  • Anonymous Dec 28, 2008

    idling up and down


    idling up and down










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At this point nothing. What you stated, "P Code" tells me nothing. Give me the actual code, instead of a vague description.

Posted on Dec 28, 2008

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


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

Nov 12, 2014 | Cars & Trucks

1 Answer

Rough idle at low rpms


I would suspect the IAC ( Idle Air Control) module first. The computer should have a code stored that would prove/disprove my suspicions, and a scan can be done cheaply. Autozone will scan and retrieve your codes free, if you have one close by.

Jan 25, 2014 | 1996 Acura RL

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Low rpm at idel


Sounds like there is a vacuum leak. I's there a check engine light on? If so is there any lean codes?

Jul 13, 2013 | 2003 Ford Taurus

1 Answer

Low idle p0507 pictures of the part


http://www.autozone.com/autozone/parts/Duralast-Idle-Air-Control-Valve/1999-Buick-Lesabre/_/N-jd47xZ9gsof?itemIdentifier=91113_0_0_Idle control system high(rpm).This is what it states for code P0507.Code P0506 is for low(rpm).Buicks have a history for sensors that go bad and hard to find which one without replacing some that are good.Here is a part to check out,Click on link to view.

Sep 15, 2012 | 1999 Buick LeSabre

1 Answer

I have 1999 chevy malibu and it runs hot while in idle and the rpm is higher than expected


For the hot while in idle problem, I would look into whether the thermostat is stuck closed, the coolant level is low, or the fans are not turning on.

For the high rpm, I would look for an engine code relating to iacv (idle air control valve) or another cause as indicated by a code.

Good luck ont his repair.

Oct 18, 2010 | Chevrolet Malibu Cars & Trucks

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

My escort is rpm over 3k when it starts and check engine light comes on. i get codes 116, 412, and 411..what can i do?


Code 116- Engine coolant temperature (ECT) sensor out of range, I would replace it.

Code 411- Idle speed system not controlling idle properly (too High)
Code 412- Idle speed system not cotrolling idle properly (too Low)

After replacing the ECT clear codes by disconnecting battery positive for at least ten seconds, see if codes 411, 412 return, if so clean or replace the Idle Air Control solenoid (IAC), repeat clearing of codes. Hope this helps, let me know.

Feb 18, 2010 | 1995 Ford Escort

1 Answer

I have a Honda 2004 CRV - the repair ( OBD II) code is P2647 - what does that mean?


P2647 VTEC Oil Pressure Switch Circuit High Voltage - With Automatic Transmission Basicallly the sensor has gone bad or an oil passage has become blocked.

**. Locate the Variable Timing Electronic Control (VTEC) pressure switch on the end of the cylinder head. Honda has had problems with the VTEC oil pressure switch, there is an updated part number for the vehicle (37250-PNE-G01). On this vehicle the VTEC oil pressure switch can fail at any RPM.
2. The VTEC oil switch is normally closed, and grounds the reference voltage from the Engine Control Module (ECM) on the Blue/Black (BLU/BLK) wire. If the code sets at idle - 2500 RPM - and the Brown/Yellow wire has a good ground, then suspect a faulty VTEC oil pressure switch.
3. At approximately 2500-4000 RPM and when driving the vehicle, the VTEC system should turn on. To turn on the system, the ECM energizes the VTEC Solenoid valve and it allows oil pressure into the intake valve rocker arms, the oil pressure opens the VTEC oil pressure switch so the Engine Control Module (ECM) can verify that the VTEC did turn on correctly.
4. The code will set at idle to 2500 RPM if the reference voltage is not grounded. The code will set above 2500-4000 RPM if the VTEC oil switch does not open.
5. If the code sets at 2500-4000 RPM or higher, the problem can be a low oil level or pressure, or a malfunction in the VTEC assembly.
Potential Causes: Low Engine Oil
Plugged Oil Passage
Insufficient Oil Pressure
Plugged Oil Screen
Insufficient Oil Volume
Malfunctioning VTEC Oil Pressure Switch
Defective VTEC Solenoid

Jul 13, 2009 | 2004 Honda CR-V

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

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