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1990 740gle drivability problems 700 1990

posted by  djzuelke on  Tue Oct 13 02:48 CST 2009
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last visit: Sat Oct 31 07:22 CST 2009
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Weird, perplexing problem: My 16v. 740gle "lopes" at between about 1500 rpm to 2200. Starts and idles normally and runs well over about 2200 rpm. Uneven running is accompanied by a fluctuation in timing of several degrees. Also, the tach needle suddenly drops when speed is increased to near 2000 rpm when "loping" starts. Needle jumps up to normal at higher speeds (about 2200 rpms). Have changed out the MAF and crank sensor, throttle switch, and ECU... with no change.
Help!






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New 1990 740gle drivability problems [700][1990]
posted by  djzuelke  on Tue Oct 13 02:48 CST 2009 >


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