Operation CHARM: Car repair manuals for everyone.

Engine Control System

Self-diagnosis LED indicator blinks fourteen times:

A problem in the Electronic Air Control Valve (EACV) circuit.


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The EACV changes the amount of air bypassing the throttle body in response to a current signal from the ECU in order to maintain the proper idle speed

The Check Engine warning light and ECU LED may come on, indicating a system problem, when, in fact, there is a poor or intermittent electrical connection. First, check the electrical connections, clean or repair connections if necessary.