WHAT DOES THE FLASH CODE 3-4 MEAN FOR

1991 Mercury Capri

Tiny

jonathon

February, 26, 2012 AT 6:09 PM

What does the flash code 3-4 mean for 1991 mercury capri

FOUND 14654 RELATED QUESTIONS

Wiring Issue?

68 ANSWERS
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1 Answer

Tiny

DrCranknWrench

February, 26, 2012 AT 6:18 PM

That translates to "Idle Speed Control". More than likely the Idle Air Control Valve, IACV, has failed. It is generally located on the intake manifold near the throttle body.

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