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More TBI weirdness
I've been driving this k5 (87 TBI) a couple months now. A week or so ago on the way home from work, it felt like it started running a little rough and the service engine light pops on. I pulled the codes when I got home. Code 32, egr. Next day I go out to see if I can figure it out, no service engine light and the trucks running fine. As such, I didn't worry anymore about it. But last night I had the same deal happen, a little bit of running rough and the service engine light. This time I got codes 33,34, and 42. So two map sensor codes and something to do with the electronic spark timing. Figured I'd check it out this morning since it was raining last night. Now today I've got the same situation as before. No check engine light and the trucks running fine. It kinda makes me think computer... But ya never know. Any ideas?
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1978 Scottsdale - celebrating 10 years of teaching me profanity
1990 Silverado - bought in Nov. 2016 and it's already catching up - Sold
1987 k5 blazer - sold... :\ seed money for the 81
1981 k20 4x4 - 5.3 swap in progress
Events attended:
Spring GOG 2011
Dale JR car show Summer 2012
Gathering at Tommys pickup parts
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