Re: Hard to time
1. Yes. bypass was disconnected. When I do this she runs VERY rough and stalls after about a minute.
2. I replaced the MAP sensor. Same problem
3. 350Miles total but I replaced the engine with a GM crate about 5 years ago. has 20k miles on it.
I'm going to test the TPS. Any other ideas?
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1990 suburban r1500 k 350 2wd
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