Quote:
Originally Posted by Critical Drew
Would the MAF cause the code to kick down for only one bank?
and do these fail, or do they just suffer from dirt and use. I was able to see big improvements with my 93' Subaru Legacy Turbo Rally car by cleaning the MAF.
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Yes, a MAF issue can only affect a single bank. My 2000 4.4i set the Bank 1 Fuel Trim Too Lean code. Replacing the MAF solved the problem. Unfortunately they're not the lowest cost part out there.
As for cleaning if there are MAF specific cleaners. I'm not a big fan of cleaning as more times than not cleaning doesn't help. It won't hurt and only costs a few bucks for the cleaning spray.