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Old 11-07-2007, 08:12 PM
myanoch's Avatar
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Join Date: Aug 2004
Location: Scranton Pa.
Posts: 239
p0170& p0173

had got both codes a week ago did a search and found the mass air flow could be dirty
cleaned mass air sensor with brake fluid
worked for a week tonight again
check code s and also found long tern fuel trim at 27% on both banks
short term -2%
Intake manifold pressure one time 13in Hg and 10in HG last time
What I am asking is the mass air sensor going???
I could not find any vacuum leaks
I also checked fuel pressure lookd right on
replace fuel filter because it needed to be changed
Is ther any electrical checks to do on the mass air flow sensor???
The vechile is a 2000 sl500 56000 miles
any tips would be appreciated
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[B]Mike Y.
00 sl500 sport
88 560 sl (sold)

Last edited by myanoch; 11-07-2007 at 08:19 PM.
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