Question about 1998 Ford Explorer

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How to fix problem with cod P1506 Ford explower 1998

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These ford engines are prone to vacuum leaks, check pcv and attached elbow, then check all other vacuum lines, last check the IAC. checking the vac lines will save you money and time

Posted on Oct 06, 2013

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Hello! The Idle Air Control (IAC) is setting P1506...Idle is to high...Other problems can cause the idle to over speed...It isn't the IAC in many instances...A vacuum leak is #1...The vehicle has some years on it...Go over the vacuum lines and look for weak collapsed lines, broken, or poorly seated...A defective PCV valve is #2...If it hasn't been changed in awhile it's due...Base idle should be 780 in neutral...If # 1 and #2 prove to be OK I'll take it from there...

Guru.............Saailer

Posted on Aug 20, 2010

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P1506 is the idle control motor, remove and clean out carbon. or put a new one on. to control idling. also be sure wiring to iac is good and check the iac wire connector.

Posted on Aug 19, 2010

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P1506 Manifold control idle speed-- disconnect the wire and remove the part and clean it with carburetor cleaner to remove carbon. Good for 2 more years.

Posted on Nov 16, 2011

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1 Answer

Ford engine code p1506


Over speed code need to replace the IAC,check for vacuum leak(s),clean the throttle body,disconnect the negative terminal to the battery for 3 minutes then reconnect that may clear the code

Apr 23, 2014 | 1998 Ford F150 Regular Cab

1 Answer

Code p1506


P1506 - Idle Air Control (IAC) Overspeed Error This DTC is set when the PCM detects engine idle speed that is greater than the desired rpm.
  • IAC circuit short to GND
  • Damaged IAC valve
Disconnect IAC valve and look for little or no change in engine rpm as an indication of a stuck or damaged valve.
Ford Idle Air Control IAC valve test how to adjust minimum idle speed
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Dec 05, 2017 | 2000 Ford Explorer

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Why does my ford taurus idle high code P1506


The code is for the idle air control valve which controls idle speed.
The problem could be a faulty control valve, or a vac leak which is letting in air to the intake and bypassing the control valve.

Jan 19, 2013 | 2000 Ford Taurus

1 Answer

I have 8 throuble codes p0743,p1537,p1504,p0133,p0420,p0113,p0122,p1506,please help i don't know what to do to windstar 98 3.8


P1537

Intake Manifold Runner Control Stuck Open


P1504

Intake Air Control circuit malfunction


P1506

Idle Air Control Over Speed Error


P0112 Intake Air Temperature Circuit Low Input


P0113 Intake Air Temperature Circuit High Input


P0133 02 Sensor Circuit Slow Response (Bank 1 Sensor 1)


P0420 Catalyst System Efficiency Below Threshold (Bank 1)


P0743 Torque Converter Clutch Circuit Electrical



I hate to hear you are havine so much trouble. These are a basic descrition of each of the codes.


If each of these codes are active, i would imagine you windstar isn

Jun 16, 2011 | 1998 Ford Windstar

1 Answer

Code p1506


P1506 FORD - Idle Air Control Over Speed Error

Mar 30, 2011 | 1998 Ford Explorer

2 Answers

Code P1506, 2002 ford taurus wagpn


P1506 Idle Air Control
Overspeed Error

IAC Valve--Bad
Vacuum Leaks
IAC Stuck Open
Failed EAVP System

Disconnect the valve--if little
or no change in RPM,then
Valve is stuck or bad

Mar 16, 2011 | 2000 Ford Taurus

2 Answers

98 ford escort check engine light is on the code comes up p1506 how do i fix


This code refers to the Idle Air Control Overspeed Error, I would clean the IAC, and if cleaning does not work I would replace it. It is located directly on top of the throttle valve on the intake manifold. Hope this helps, let me know.

Aug 09, 2010 | 1998 Ford Escort

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