Mechanics

CHECK ENGINE LIGHT

2003 Ford Ranger

Engine Mechanical problem
2003 Ford Ranger 4 cyl Two Wheel Drive Automatic 70,000 miles

My Check Engine light is on. I pulled the code: it was P2004, intake manifold runner stuck open control bank 1. What is an 'intake runner'? What do I need to fix it? Thanks!
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Dvklft
March 9, 2008.




Each cylinder has two sets of runners, one for low speed and rpm is when just one of the runners is open, but ; when you command the engien for more power the second one will open to supply you with more air.

IMRC monitor signal circuit shorted to PWR GND or SIG RTN.

Damaged IMRC actuator or solenoid.

Damaged PCM.

Blocked vacuum hoses.

Those are the possible causes, I suggest you take it in.

Blackop555
Mar 12, 2008.


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