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90 k1500 stalls randomly with engine light

The truck finally threw code 32. Egr Valve. I replaced Egr Valve along with solenoid, cleaned out PCV valve port on intake along with Egr port on intake with a metal clothes hanger. Mainly a lot of carbon build up on the PVC Valve intake port. So after that and the Egr Valve and solenoid and...
- NealK1500
- Post #7
- May 27, 2022
- Forum: Engine Performance + Maintenance
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90 k1500 stalls randomly with engine light

I have a 1990 k1500 350 TBI that stalls at random times when warm. New distributor, spark plug wires, spark plugs, ignition coil, coolant temp sensor, oil sending unit sensor under distributor, map sensor, 02 sensor. It throws a SEL light when it stalls and shuts everything down like it’s...
- NealK1500
- Thread
- May 20, 2022
- Replies: 6
- Forum: Engine Performance + Maintenance
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1990 K1500 Main harness 4x4 wiring

It’s in the title 1990 k1500. It’s a 5.7 TBI silverado standard cab 5 speed 4x4. (Picture attached of the wires along with the connector in the first comment)
- NealK1500
- Post #3
- Jan 3, 2022
- Forum: Transfer Cases
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1990 K1500 Main harness 4x4 wiring

So I found these wires in my engine bay… Ive been slowly fixing this up and I assume they go to the 4x4 actuator. The actuator wires are cut I am gonna replace the actuator. There is a white 4 pong connector on the axle, which actually only has 3 wires in it to connect to. There is 5 wires...
- NealK1500
- Thread
- Jan 3, 2022
- Replies: 3
- Forum: Transfer Cases