Contour Enthusiasts Group CEG

General >> Troubleshooting

Pages: 1
Hard-core CEG'er

Reged: 07/29/00
Posts: 3465
Loc: Montgomery, IL
got a CEL
#225 - 08/16/02 05:13 AM

P1506 Idle Air Control Over Speed Error.
I posted in this thread about it:
click here

2003 Subaru WRX some mods

Even if you don't have the answer, you certainly have to admire the problem.

aka ZetecRacing

Post Extras: Print Post Remind Me! Notify Moderator
Veteran CEG'er

Reged: 12/13/01
Posts: 667
Loc: Northern VA
Re: got a CEL new
#1007 (Re: ScoobyRacing03) 08/16/02 10:58 PM

From the Ford TSP (Technical Service Publication):

In reply to:

Diagnostic Trouble Code (DTC) P1506 indicates Self-Test has detected an IAC overspeed error.

Possible causes:
-- IAC circuit short to GND.
-- IAC assembly stuck open.
-- Vacuum leak.
-- Damaged IAC assembly.
-- Damaged throttle body.
-- Damaged PCM.

* Key on, engine running.
* With the engine at idle, listen for vacuum leaks.
* Inspect the entire inlet air system from the Mass Air Flow (MAF) sensor to the intake manifold for damage or leaks such as:
* Cracked or punctured inlet air tube.
* Loose inlet air tube at the air cleaner housing or throttle body.
* IAC valve assembly or gasket seal.
* Intake manifold assembly or gasket seal.
* EGR valve gasket seal.
* Vacuum supply connectors and hose.
* PCV valve, connectors and hose.

96 Contour SE
Duratec V6 24-valve 2.5L ATX
108,000 mi.
Replaced: crankshaft w/ DMD, EGR valve (clogged), EVR, DPFE, PCV valve, evap emissions hose & tube (cracked), window regulator (broken), LH & RH PCV tubes, UIM gasket (leak), ignition coil

Post Extras: Print Post Remind Me! Notify Moderator
Pages: 1

Extra information
0 registered and 4 anonymous users are browsing this forum.

Moderator:  horseydug, Ray 

Print Thread

You cannot start new topics
You cannot reply to topics
HTML is disabled
UBBCode is enabled

Thread views: 457

Jump to

Contact Us

UBB.threads™ 6.2.3

Generated in 0.075 seconds in which 0.07 seconds were spent on a total of 14 queries. Zlib compression enabled.

Copyright 1999-2005 Lance Kinley

CEG and are not affiliated with nor endorsed by Ford Motor Company