Trouble code P1504 means: Idle air control (IAC) circuit malfunction
2000 ford lightning. P1540,po171.po174
Here's the definition: Intake Air Control circuit malfunctionAnd since the IAC is mentioned, see "Related Questions" below to get started
According to my Chilton repair manual : P1504 - idle air control (IAC) valve and / or circuit fault
Trouble code P1504 means:Idle air control IAC circuit malfunction
Trouble code P1504 means: Idle air control (IAC) circuit malfunction Trouble code P1507 means: Idle air control (IAC) underspeed error
Fix the problem. The code will disappear after 50 starts
P1504= Idle air control circuit malfunction
Trouble code P1504 means: Idle air control (IAC) circuit malfunction
where can i find the door code for the 2008 Taurus
Engine cylinder ( # 2 ) misfire has been detected
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