O/D light blinking when i let off gas and coast - Ford Powerstroke Diesel Forum
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Old 10-16-2010, 11:17 PM
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O/D light blinking when i let off gas and coast

hi im stumped on my o/d light flashing every second on my shifter. while im driving i let off the gas and my tech goes down to 0 and thats when it starts to blink, it only blinks when im coast... but right when i get back on throttle the light disappears??? please help thanks
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Old 10-17-2010, 09:17 AM
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I have heard that a faulty tach, like you describe, will cause the O/D light to flash. My advice is get the tach working properly again. I would start with the tach sensor, about 75$ from ford.
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Old 10-21-2010, 04:37 AM
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x2

Justin is right
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