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2006 250 hpdi has a miss
I have a miss when on plain and is worse under more of a load as in the motor trimmed all the way down. I have cleaned the injectors and replace the fuel filters and still have the same miss. I am thinking that it might be a coil now cause I replace the spark plugs already to. Any info would be great.
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Could be. But check the plug wire cap to wire connections.
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Does your motor stay on at idol
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Yes everything runs fine at idle but as soon as you get on plain and start loading the motor it's worse