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Local News

August 26, 2011

What is causing transmission problem in 2001 Jaguar?

Q: My neighbor has a 2001 Jaguar XJ8 with 53,000 miles. The car sits in a garage for months. He keeps the battery on a trickle charge. Recently, while driving it, the engine had gone into a "safe" mode, what Jaguar calls a "limp home" feature. "Transmission fault" reads across the dash. If you shut the car down and wait, it clears itself and you can drive normal again. He brought it to a transmission place, and they found no issues. (It had been towed in, and I'm guessing when they started it up it had cleared itself with no codes.) There is no pattern to the problem, i.e., when it's hot, cold, short drive, etc. Any thoughts?

A: The Jaguar is a great car, no doubt. However, like all cars and SUVs, there are going to be problems.

The first service I would perform would be a BG transmission flush. This will eliminate any intermittent sticking valves. The vehicle is more prone to sticking transmission valves because it sits for long periods of time with dirty transmission fluid. Turning off the engine and restarting it cuts out the transmission pump and all hydraulic pressure wanes. Without hydraulic pressure, the valves can return to their normal home position.

If the problem persists, driving the car with a recording device plugged into the ALDL may be the way to go. The technician will be able to download the information and find out exactly where the problem lies.

Q: I have a 2000 Ford Explorer, two-wheel drive automatic with a 4.0 SOHV 245 cubic engine V6 with 125,000 miles. It runs well, but every once in a while the check engine light comes on and it starts to skip. It's always the No. 4 cylinder. It has a new No. 4 cylinder; we put a new plug in, and it ran fine for a while. Then it started skipping again. So we put a new wire on No. 4, and it was firing for a while and it started skipping. Do you think it could be the fuel injector not working? Or electric control module where the wires plug in? Any suggestions?

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