Sunday, September 25, 2011

Engine Controls and Fuel Systems Manual Guide for Ford Vehicle

Engine Controls and Fuel Systems Manual Guide for Ford Vehicle

If the idle drops, its usually due to an input signal to the computer which results in the computer raising the idle speed. This is the control side of he circuit. With the ignition key “On”, engine not running, you should measure battery voltage on this wire. When the engine is running, you should notice a voltage change. Typical operating temperature, normal idle voltage should be approximately between 9 to 10.5 volts DC.


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