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engine light

X97prixX

X97prixX

New member
Got an engine light, read the code says it's running lean. The only thing I can think is the gas I'm running. I ususally run 87 in Idaho and now I'm in washington with 91 with 10% ethenol in it. We don't have any gas in Eastern Idaho with ethenol in it so I'm thinking it's a contributing factor.

Also after a day of the light being on it went away.

Any Ideas?
 


are you boosted or n/a? if boosted your supposed to be running the 91 or 93 which ever is in your area
 
I run 91 with ethenol in mine and have had no problems. When was the last time your plugs and wire have been changed? Does it have a rough idle? A strong rich smell coming from the exhaust?
 
X97prixX said:
Got an engine light, read the code says it's running lean. The only thing I can think is the gas I'm running. I ususally run 87 in Idaho and now I'm in washington with 91 with 10% ethenol in it. We don't have any gas in Eastern Idaho with ethenol in it so I'm thinking it's a contributing factor.

Also after a day of the light being on it went away.

Any Ideas?
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Sounds like a fuel injector issue to me. I recommend dropping a can of SeaFoam in the gas tank. And do your self a big favor, if it runs lean again get it fixed ASAP. Lean engines can self destruct, so tread carefully.:th_skull:
 


I checked this week on vacum leaks and found the t-fitting on the throttle body had pretty well disentegrated. after the scramble to find a dealer I got it replaced reset my codes and so far it's holding and no codes are tripping.
 
X97prixX said:
I checked this week on vacum leaks and found the t-fitting on the throttle body had pretty well disentegrated. after the scramble to find a dealer I got it replaced reset my codes and so far it's holding and no codes are tripping.
Click to expand...

I am getting the same "Running Lean" code and I went to GM to get the t-fitting for the Throttle Body, because mine had a crack in it. GM is making me buy the WHOLE set-up with the tubing and everything for $23. They said they can't just order the t-fitting for me. And the guy said no one in NY state had it in stock. Are they taking advantage of me or does this sound feasible?
 
Its a dealer they take advantage of every one
I had the same issue SO i changed the set up Its actually very simple to do... and only takes 10 bucks in parts
 
CSteen85 said:
I am getting the same "Running Lean" code and I went to GM to get the t-fitting for the Throttle Body, because mine had a crack in it. GM is making me buy the WHOLE set-up with the tubing and everything for $23. They said they can't just order the t-fitting for me. And the guy said no one in NY state had it in stock. Are they taking advantage of me or does this sound feasible?
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There are cracks in more lines than you can see. I would just replace it all with the kit the dealer is selling you.
 


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