no ignition fire out of coil pac - Ranger-Forums - The Ultimate Ford Ranger Resource


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Old 03-07-2012
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no ignition fire out of coil pac

I have a 2004 Ford Ranger 6 cylinder, and I am not getting any ignition fire out of coil pac. I am in need of possible reasons.
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Old 03-07-2012
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cookieanne76, if you could provide the engine size (3.0 or 4.0) it would help to narrow down possible causes.
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Old 03-08-2012
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It is a 4.0
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Old 03-08-2012
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With the ignition in the on position, check fuse 11 in the Battery Junction Box (BJB) under hood with a test light or voltmeter. If it checks out ok, pull the electrical connector at the coil pack. With the ignition on, back probe the connectorís number 1 terminal (Red Wire). If you donít have power at this terminal, youíll need to pull one of the fuel injectorís connector. With the ignition on, check the connector's # 2 terminal (Red Wire) for power. If you donít have power go back to the BJB and remove the PCM Power Relay (#47). With the ignition on, check terminal 86 in the socket for power. If you have power, check terminal #85 to ground. If the ground checks good, replace the PCM relay.

For BJB diagram and component list, click this link and go to page 144 Owner's Manual
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