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OK, I've looked and looked on my 93 but can find nothing that resembles an EGR valve. No tubes coming off the exhaust manifold anywhere. Does anyone know absolutely for sure what year they started putting EGR's on Explorers?? If a 93 doesn't have one is their an equivilant part that causes...

Does anyone have any comment on Mobil 1 synthetic motor oil vs. Amsoil synthetic motor oil. Any personal experience with one or both? Mobil 1 has a new "Tri-Synthetic" formula out now and was wondering if anyone knows how they stack up against each other. Amsoil is supposed to be the king of...

Chav, I forgot to mention that I have the same symptom of running smooth for a second or two then sputtering a couple of seconds. No real pattern to it but it does seem to be intermittent. Will replace the fuel filter this week and check the fuel pressure.

I own a 93 Explorer with the same problem. I recently bought it and right away noticed the rough idle. I changed the plugs, plug wires, cleaned the MAF sensor (wasn't dirty), have run two cans of injector cleaner through the engine, had a computer diagnostic run and they found no codes (my...