Spark plug question
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techrep (04-26-2019)
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You need to carefully unplug the PCM (3 cables) and remove it (4- 10mm bolts) and then remove its bracket (3- 10mm bolts). Press the red connectors firmly into the cables once unplugged to ensure they're seated. As an extra measure of caution, disconnect the negative battery cable. Ford says to complete the throttle body re-learn procedure whenever the battery/PCM is disconnected.
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Mark
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mite as well clean that Throttle body while you are at it...