Rough Idle after seafoam treatment. Help - Ranger-Forums - The Ultimate Ford Ranger Resource


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Old 05-24-2008
rybread5520's Avatar
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Rough Idle after seafoam treatment. Help

I recently put a new muffler on. Just cut the old one off. I did the seafoam treatment. First through the powerbooster into the manifold. Crazy smoke for a while. Then added a little to the gas tank after a fill up. Ever since I have been getting a rough idle. I even had a check engine light come on while idling a nd running the ac. I have no clue what is going on. I disconnected the bettery and let it reset. Figuring it would relearn and stop the rough idle but still to no avail. Does anyone have a clue what the problem is? I dont know what to do.
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Old 05-24-2008
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You could of possibly fouled your spark plugs or oxygen sensors when all the carbon was burning off. Go to autozone and get the code read.
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Old 05-24-2008
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Codes gone, since I took the batt cable off. Can the o2 sensors be cleaned. I hope so. I dont want to replace them, they are damn expensive, if so. What should I clean them with?
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Old 05-24-2008
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The check engine light was flashing first. Then I turned off the truck, restarted it, then about 15 minutes later the light stayed on. Only 42000 miles on the truck.
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