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What does the flash code 3-4 mean for 1991 Mercury Capri
1991 MERCURY CAPRI
What does the flash code 3-4 mean for 1991 mercury capri
have the same problem?
Sunday, February 26th, 2012 AT 6:09 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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Sunday, February 26th, 2012 AT 6:18 PM
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