1991 Mercury Capri Repair Question
Topics covered: Body, Idle air control valve, Intake manifold.
Mileage: 150,000 miles.
Mileage: 150,000 miles.
Asked on February 26, 2012
What does the flash code 3-4 mean for 1991 mercury capri
What does the flash code 3-4 mean for 1991 mercury capri
Answer
Replied on February 26, 2012
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.