I have been looking at the same things, with regard to removig the MAF there seem to be a couple of alan key bolts, but with an upright piece preventing the use of a regular key to remove them. Is this a special tool job too? if so, where can they be bought from?
If I were to just unplug the Lamda, would that be a resonable diagnostic test? local mechanic mate of mine reckons that a lamda is likely to cause rough running/jerkyness, the MAF will cause sluggish, gutless performance.
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