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The Terminator
Engine/Tuning
Belt tensioner pulley causing erratic idle?
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<blockquote data-quote="Blackwell808" data-source="post: 16504478" data-attributes="member: 199081"><p>Literally just popped up. It was never a perfect dead on idle but it’s gotten noticeably worse and now it’s just constantly hunting for an idle sometimes dying. It’s better with the ac on. With it off it’s just all over it seems like. I was driving it and I got a check engine light for both banks being lean. Replaced o2 sensors and put vp e85 to make sure fuel wasn’t the issue. No help. Have checked for vacuum leaks as well. There is no egr or evap. Cleaned the maf and checked all intake boots. I’m just at a loss at this point. Probably going to take it to a dyno shop and find out what’s going on. The previous dyno tuner whom I can’t get ahold of suddenly said something about my maf being maxed out already and it would need a hardware retune to have a perfect idle but it wasn’t bad enough to bother me until here recently where it’s gotten worse. It has the gt500 slot style maf. Custom 4” intake.</p></blockquote><p></p>
[QUOTE="Blackwell808, post: 16504478, member: 199081"] Literally just popped up. It was never a perfect dead on idle but it’s gotten noticeably worse and now it’s just constantly hunting for an idle sometimes dying. It’s better with the ac on. With it off it’s just all over it seems like. I was driving it and I got a check engine light for both banks being lean. Replaced o2 sensors and put vp e85 to make sure fuel wasn’t the issue. No help. Have checked for vacuum leaks as well. There is no egr or evap. Cleaned the maf and checked all intake boots. I’m just at a loss at this point. Probably going to take it to a dyno shop and find out what’s going on. The previous dyno tuner whom I can’t get ahold of suddenly said something about my maf being maxed out already and it would need a hardware retune to have a perfect idle but it wasn’t bad enough to bother me until here recently where it’s gotten worse. It has the gt500 slot style maf. Custom 4” intake. [/QUOTE]
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Engine/Tuning
Belt tensioner pulley causing erratic idle?
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