High Mileage 4-banger rough Idle - Ranger-Forums - The Ultimate Ford Ranger Resource


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Old 09-08-2011
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High Mileage 4-banger rough Idle

Hey so I just got a 4-cly from Virginia and its got 151k miles and it idles pretty rough. Im already replacing the wires and plugs with Autolite but I think its more then that. Any suggestions? I was thinking about Seafoam but my friend hydro-locked his motor and I'm weary about using it.
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Old 09-08-2011
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youtube how to use seafoam. if you put your vac line right in the seafoam can you may draw too much. when I use it I very slowly pour the seafoam out of the bottle and have the vacuum line from the brake booster suck it up out of mid-air more-or-less. 151k isn't that high mileage for a 2.3. I would change the wires and plugs, seafoam it and see where your at then.
oh, and don't let your friend help you with it, I don't trust him, lol
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Old 09-08-2011
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You may also check your IAC valve, PCV valve, air filter, fuel filter or break/crack vaccum lines...
Just an idea.
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Old 09-09-2011
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Lol thanks guys =]
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