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Help! My 95 Toyota Corolla just required a new left drive axle for $220 last month but the engine still runs rough. The mechanic (who I trust) put industrial strength fuel cleaner (90%) in to smooth out the engine and it ran like a top for about a month or so. After a new tank of gas from Krogers, last Thursday at midnight while driving home in dry conditions, it started missing, laboring up a steep hill and almost didn't make it. I put in STP fuel cleaner to no effect. It seems like the car runs on 4 cylinders, then from a stop, on 2 cylinders, and occasionally clears itself to run at speed on 4, but then fouls itself. What do I do? My mechanic is fighting cancer and won't be back in his independent garage for months, if ever. He said check the distributor (do not have one) or rotor button. I am considering buying a hybrid or a motorcycle if this does not get fixed fast! At $3.30/gal, I am getting less than 15 mpg and wasting half my fuel! HELP!

Answers from the Automotive Experts

Suzanne Grego, Technician at City of Philadelphia Fleet Management Kirk G, An axle is part of the steering and suspension system in a vehicle and will not cause a misfire. If you do have a misfire in your engine, (running on less cylinders than are available), you could have bad spark plugs and/or wires, bad fuel injectors, or a stuck valve in the valve train of the engine. I would suggest bringing your vehicle to a qualified technician to have the components tested and have your vehicle properly diagnosed. Suzanne

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