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Old 03-03-2003, 05:30 PM   #1 (permalink)
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4.3/700r4 issues

I just picked up an 89 Jimmy. It drove fine when I pulled it off the lot. I let it sit at home for a few days, then when I went to drive it again, it started stalling when coming to a stop. Now, whenever I try to put it into drive, the engine just dies and the truck lurches forward. Any ideas as to what this could be? I've been told TV, and/or the MAP sensor.

Figured I'd throw it out to the guru's and get some decent info.
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Old 03-04-2003, 05:32 AM   #2 (permalink)
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sounds like the torque converter isn't unlocking....
1999 GMC CCSB plans for 8.1 and SAS
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Old 03-05-2003, 09:49 AM   #3 (permalink)
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Check and make sure all the electrics are connected at the trans, and verify that the TV cable is adjusted correctly. Also check your timing. I just built a 4.3 recently, and it was doing something like what you describle... turns out it didn't like having the timing at anything other than 0*. Who would have known?

If you don't feel comfortable with the TV adjustment, take it to a trans shop. That adjustment can FAWK your trans real fast if its off by too much.

Good luck.

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