Unfixable 1990 Chevy K1500 Idle Surge.
August 22nd, 2019, 11:52 AM
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I was reading through this fourm because I have a 1995 k1500 with 190k miles with the EXACT same problem as the 1990. Rough idle after rain/humidity then when it dries out it's fine. I replaced/checked everything that CChevy did with his truck, with the exception that I had my TBI unit rebuilt. I just bought a ALDL bluetooth scanner for obd1 and I'm going to do a comparison of the readings when the truck is surging vs. when its dry and runs fine. Any updates/advice would be appreciated.
