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Old 04-09-2016, 11:01 AM   #1
tmontague
 
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Use MAF cleaner to clean it. This can be found at a local auto parts store.

Easiest way to check for vacuum leaks is to use your scanner and view long and short term fuel trims. If the values drastically change under 2500rpm compared to idle then it's likely a vacuum leak.

Use an incense stick to find where the leak is. It is likely due to one of these 2 issues.

I don't know how vacuum would ever get to -1.5, technically that is going into boost which is impossible in a non boosted car regardless of a vacuum leak or not. (somone correct me if i'm wrong)
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Old 04-09-2016, 11:06 AM   #2
z0mb13k1ll
 
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Quote:
Originally Posted by tmontague View Post
Use MAF cleaner to clean it. This can be found at a local auto parts store.)
I will pick some up today on my way home and see if that does the trick, hopefully i can get the MAF sensor off easily as it is now very close to the battery on the back side of the pipe

Quote:
Originally Posted by tmontague View Post
I don't know how vacuum would ever get to -1.5, technically that is going into boost which is impossible in a non boosted car regardless of a vacuum leak or not. (somone correct me if i'm wrong)
I was unsure how i was getting readings below 0 as well, but that is the info i was picking up from torque at least.
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