Re: Maxima 2000: can new muffler cut MPG by 3-4??

<dgeesaman@[EMAIL PROTECTED]
> wrote in message 
news:0d532b0b-3172-48fe-9d2f-c3788bba135d@[EMAIL PROTECTED]
 Jan 2, 12:20 pm, pgg <papaNO_SP_AMgordygra...@[EMAIL PROTECTED]
> wrote:
> A couple months ago, my 2000 Maxima with 68,000 miles start making
> terrible clunking noises from the muffler area.
>
> My head wasn't on straight that day and I took it over to Meineke. A
pipe
> was rusted out and hanging...they said even though the original
stainless
> steel muffler was fine, they had to replace the muffler to replace the
> connecting pipe. I said "fine".
>
> I know...dumb move in hindsight and I wish I would have taken it 
> elsewhere.
>
> Well the Meineke muffler was $220 or something like that and looks/works
> fine.
>
> However I swear I get 3-4 MPG less than I used to. Possible? I also got
> the MAF sensor replaced in the same time period...

The muffler should have little/nothing to do with fuel economy.  The
MAF however can have a major impact.  Look to the MAF if you see
statistically significant change in mpg.

What/where is  a maf sensor?

I own a 95 max that has poor fuel economy.
Did reg. tune up