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Re: 1988 chevy 4.3 smell rich runs lean
If the harness has been changed, then the computer prom may not be the right one for the truck. Is there a torque converter lock switch ( TCC) on the transmission ? If you got a DVOM with bar graph check the TPS for any dead spots on it.
Last edited by octaneman; 05-28-2009 at 12:05 AM.
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