1997 CHEVROLET K2500 PICKUP, 4L80-E

By: Scott Plaster On: 01/28/11

3 comments

Vehicle

1997 CHEVROLET K2500 PICKUP, 4L80-E

Vehicle Information

1gcgk29r4ve267044
150000 Miles
5.7 L
8
Automatic
4 X 4
Solus Pro

Problem Information

starts out in 3rd
anytime
came in with codes po740 and po785 and fluid burnt pulled trans complete overheul with conv and solenoids same codes when done codes come in after 10 seconds of run time new ignition switch no change ran a fused wire direct from battery to e wire no change extra groud no change new computer no change pulled wire harness and checked wires no change what am i missing any help would be greatly appreciated
po740 and po785

Problem

same

Update

hung all new solenoids with differnt wire harness on truck still no change same codes with limp in truck has to run ten to twenty seconds before codes set will not set codes with just key on double checked voltage has about 10.5volts when starter is engsged and 14.4 when codes set

Problem Fix

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Vehicle Data
1997 CHEVROLET K2500 PICKUP

Mileage 150000 Miles
Engine 5.7 L
Trans Automatic
Trans Type 4L80-E
Drive 4 X 4
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