darsdoug Posted April 7, 2016 Share Posted April 7, 2016 I've been having a little stumbling usually at idle while sitting at a stoplight. The engine doesn't die but feels close to it. I pulled the codes and got the knock sensor number. I replaced the old cracked knock sensor with a new one from Ebay and it has improved overall performance but it's still stumbling at idle. It's not throwing a check engine light even after putting at least fifty miles on it. MAF sensor you think? Link to comment Share on other sites More sharing options...
wtdash Posted April 7, 2016 Share Posted April 7, 2016 - Clean the MAF w/the MAF spray - don't use brake cleaner or anything w/too strong a spray. - Clean the IAC - Tune up time? Td Link to comment Share on other sites More sharing options...
darsdoug Posted April 7, 2016 Author Share Posted April 7, 2016 - Clean the MAF w/the MAF spray - don't use brake cleaner or anything w/too strong a spray. - Clean the IAC - Tune up time? Td I did as you suggested but it still had the same problem. I put another coil on and it did the trick. Problem solved. Thanks anyhow. Link to comment Share on other sites More sharing options...
darsdoug Posted April 8, 2016 Author Share Posted April 8, 2016 Ran great on the way to the store this morning but when I came out and started it the stumble was back . Turned on the AC and it made it worse. I wonder what I'm missing here? No CEL coming on. Seems like it acts up on every other driving cycle or something? Weird. Link to comment Share on other sites More sharing options...
darsdoug Posted April 14, 2016 Author Share Posted April 14, 2016 Good grief. It was just the spark plug wires. Ha! Link to comment Share on other sites More sharing options...
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