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    93 XJ I6 hitting acceleration wall at 4000rpm

    1041419 No, I did that work myself. Nothing a good air chisel couldn't handle - it was my first and last muffler job. Anyway to check without pulling it off? It passed emissions just fine - don't know if that would be a tell tale or not. [addsig]
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    91 Cherokee Laredo

    1041435 In my 93 XJ, I changed my oil from valvoline to Amsoil, a racing oil. The temperature now on average is just below top center of the guage. With air on, it creeps just over the center. This oil is changed every 25,000 miles (synthetic) and the special filter is changed every 12,500...
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    93 XJ I6 hitting acceleration wall at 4000rpm

    1041414 I have an 93 XJ with an I6, 120,000 miles and recently noticed a loss of power (not major, but noticeable.) I decided to wind it out one day and at 4000rpm, the engine will not go any faster, with the pedal all the way to the floor. It just keeps its speed but will not accelerate...
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