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» Northern California Ford Owners     » Automotive   » Tech Talk   » P1506 and P1504

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Author Topic: P1506 and P1504
Wht86drop
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Member # 12104

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Can someone explain what might be triggering these codes? The car also idles like it has a cam if that makes sense. Its a Marauder

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Jalapeña Red 86 GT Vert
Yellow 72 Chevelle
Rio Red 97 Cobra

High-Output Generations CC

Posts: 1669 | From: East Palo Alto, Fiji Islands | Registered: Jun 2012  |  :
Tom Renzo
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Member # 13165

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Both codes are IAC open circuit codes. Concentrate on a bad iac or wiring!!

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I spend money i don't have. Building cars i don't need. To impress people i don't know.

Posts: 557 | From: CT | Registered: Sep 2013  |  :
70stang351w
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Member # 9948

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^ why the idle is up and down Clean or replace sometimes better to replace; my 96gt drove alot better once i put a new one in and got rid of the codes.

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1996 GT VERT /32v MOD - SOLD
1970 Mustang Coupe M-Code 351w

Posts: 1419 | From: 925 | Registered: Apr 2010  |  :
Wht86drop
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Member # 12104

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Cool thanks. Ill change the IAC

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Jalapeña Red 86 GT Vert
Yellow 72 Chevelle
Rio Red 97 Cobra

High-Output Generations CC

Posts: 1669 | From: East Palo Alto, Fiji Islands | Registered: Jun 2012  |  :


 
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