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Re: Viggen - Boost falling back to mid-yellow
Posted by AlaskanViggen (more from AlaskanViggen) on Thu, 13 May 2021 17:36:36
In Reply to: Re: Viggen - Boost falling back to mid-yellow, Rick C., Thu, 13 May 2021 15:03:09
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My understanding is that cleaning the MAF is a no-no and also doesn't ever fix them.
I'm a little fuzzy on the specifics on the bad MAFs that I've experienced, but I do know it generally causes pinging at sustained WOT. But it also does cause the condition you describe.
For sure I would vote for a new MAF. Should be less than $100 from your favorite online parts place. Swap just that out to see what it does. I believe the remanufactured ones are still the new center sensor section but a used body. So that should be an OK option as well.
Also I think recommended plugs for a tuned Viggen would be the BCPR7ES-11.
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