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1988 K1500 5.7l won't idle

Update on the 1988 silverado not idling correctly....after two different mechanics and $500 in parts, I cleaned the battery terminals and battery posts with a wire brush and she's been running like a champ ever since. I thought I had performed a voltage drop across the terminal and post with my...
- cbrown04
- Post #8
- Jun 26, 2023
- Forum: Engine Performance + Maintenance
C
1988 K1500 5.7l won't idle

So Monday, it was 60-65 degrees outside. I had driven the truck to work and back no problem (as is the usual for cooler weather). I pulled next to my other car to jump it off (you can tell I have a yard full of gems) and after attaching the jumper cables and wiggling to ensure a good...
- cbrown04
- Post #6
- May 17, 2023
- Forum: Engine Performance + Maintenance
C
1988 K1500 5.7l won't idle

I had no idea there were 2 temp sensors. Also, where would you find an OBD1 scan tool? Seems like the one GM dealers used doesn't exist anymore. Thank you!
- cbrown04
- Post #3
- May 16, 2023
- Forum: Engine Performance + Maintenance
C
1988 K1500 5.7l won't idle

The truck runs for 30 seconds to a minute beautifully then begins idling rough and shuts off. It will restart however sometimes takes a bit. NOT a problem in cold weather, only above 80 degrees outside! It's driven weekly. The parts cannon has been lit and fired by me and 2 different mechanics...
- cbrown04
- Thread
- May 15, 2023
- Replies: 7
- Forum: Engine Performance + Maintenance