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OBD 2 Code 1504 is P1504 Intake Air Control circuit malfunction P1504 Intake Air Control circuit malfunction
possible causes
IAC circuit open
VPWR to IAC solenoid open
IAC circuit short to PWR
IAC circuit short to GND
Damaged IAC valve
Damaged PCM
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∙ 16y ago
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What does error code P-1504 mean on a 1997 ford expedition?
Trouble code P1504 means: Idle air control (IAC) circuit malfunction
Ford Ranger 1998 what does the code 1504 mean?
Trouble code P1504 means:Idle air control IAC circuit malfunction
What does error code p1401 mean on a Ford Expedition?
insufficient egr flow
What does Error Code P1401 mean on a 1999 Ford Expedition?
insufficient egr flow
What does P0430 code for Ford Expedition mean?
Trouble code P0430 means:Catalyst system efficiency below threshold
What does code P0174 mean on 2001 Ford expedition?
Trouble code P0174 means:System too lean (Bank 2)
What does code p0442 on a Ford Expedition mean?
Trouble code P0442 means:Evaporative emission control system leak detected (Small leak)
What does P2104 error code for Ford Expedition mean?
Trouble code P2104 means: Throttle actuator control (TAC) system-forced idle mode
What does a P1507 code mean in a diagnostic check for a 2003 ford expedition?
Trouble code P1507 means: Idle air control (IAC) underspeed error
What does the diagnostic code 1401 mean for a 2002 ford expedition with a 4.6 engine?
it is a high voltage sensor...but i would like to know where it is located
What does it mean when the 4x4 light is flashing on your 2001 Ford Expedition when in AWD but stops when in 4h or 4l?
It giving you some kind of code. Have your codes read.
How do you replace an air conditoner filter on a 1997 Ford Expedition?
If you mean "cabin air filter," there is not one on the 1997 Ford Expedition. I have a '97 Expedition Eddie Baur and have looked and researched thoroughly.
