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I have a 95 Ranger with a 4 liter, 4x4, 5 speed and it slowly bogs down
like your pulling a choke out and the gas mileage goes down, I have a
Scan Gauge and then it will take off like you pushed the choke in and
the mileage goes up. It loses power when this happens. It started in the
hills pulling a trailer. The cruses control kicked out a couple time earlier and I left it off. I don't know if this had anything to do with it. I had some codes, p2000, P1443' P1351 and I think 1331. I
cleared them, but it still did it. Any ideas?
Thanks Gene
check your fuel filters are clean and also air cleaner, if not replace, run through some fuel/injector cleaner or octane boost with a full tank. should do the trick if not move along to checking the coil packs / spark plugs.