Corvette Forum Archive (38 950 posts)
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Subject:
Re: Bad MAF Symptoms for 89
From: "JOEVET" <CHOPR147(at)OPTONLINE.NET>
Subject: Re: Bad MAF Symptoms for 89
Lines: 57
Date: Wed, 23 Jun 2004 18:59:50 GMT
NNTP-Posting-Host: 68.194.72.216
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what is the best way to check the codes?
"tater" <tater(at)intheground.com> wrote in message
news:o0dCc.1$Js1.0(at)bignews4.bellsouth.net...
>
> "Mike" <mikeellison3|x|(at)|x|yahoo.com> wrote in message
> news:sKDBc.3833$DQ4.2787(at)fed1read05...
> > In <cb6ov7$cqn$1(at)dns3.cae.ca>,
> > "Black Bomb" <wassup350(at)hotmail.com> writes:
> >
> > >Hi
> > >
> > >I get code 36, but the car runs absolutely fine. How will I be able to
> guess
> > >when it`s time to replace the MAF sensor?
> > >
> > >Thanks
> > >
> > >Dan
> > >89 Coupe Blk on Blk
> > >
> > >
> >
> > More likely it`s a MAF Burnoff relay. Less likely is a MAF Power
> > relay failure. Dealer replaced mine about 5 years ago with the
> > comment that the originals weren`t reliable. Since the car had
> > less than 50K miles, GM picked up the cost of the relays
> > (emission control related). I paid the $ 50 labor.
> >
> > Last Detail has these for less than Eckler`s.
> >
> > Regards, "Mike"
> > -- mikeellison3xxxatzzzyahoo.com --
> I had the same thing happen to my 89.
> The person that had it before me tried replacing the mass air unit but the
> check light still was on.
> ( I think this is one reason I got such a good deal on it )
> Then I found out in this group what the problem was.The burn off relay and
> power relay are right behind the battery
> on the firewall.
> Called all the local shops here and nobody even new about them. Finally
> called the local Chevy dealer and after
> explaining to them were the parts were located on the car they now know
what
> the mass air burnoff and power relays
> are!!
> They are less than 15 bucks each at the Chevy dealer so I replaced both
of
> them,and no problems with it so far (3 years).
> Hope this helps.
> Mike
>
>
From: "tater" <tater(at)intheground.com>
Subject: Re: Bad MAF Symptoms for 89
Lines: 46
Date: Wed, 23 Jun 2004 17:42:24 -0400
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The relays have the same part numbers so are the same price.
I unplugged my battery for a few minutes after I replaced them and
everything is fine.
Mike
"Black Bomb" <wassup350(at)hotmail.com> wrote in message
news:cbc73b$3cb$1(at)dns3.cae.ca...
> Thanks Guys,,,
>
> I`ll replace those parts. Should I disconnect the battery for a few
minutes
> to delete the codes aswell?
>
> Thanks
>
> Dan
>
> "Larry Bud" <larrybud2002(at)yahoo.com> wrote in message
> news:5db363e0.0406230635.37e843c5(at)posting.google.com...
> > "Black Bomb" <wassup350(at)hotmail.com> wrote in message
> news:<cb73lt$4ol$1(at)dns3.cae.ca>...
> > > Thanks Guys,,
> > >
> > > I`ll run it until it lets go...
> > >
> > > Dan
> >
> > No, don`t do that. When you get an engine light, the car computer
> > goes into a default mode, called "limp home mode". It retards the
> > timing and does some other things so the car just runs. Your mileage
> > and performance will suffer.
> >
> > As someone mentioned, it`s probably the relays. I seem to have to
> > replace mine every other year, so now I buy two of each at a time.
> > They`re not that much. You can still buy them at the dealership for
> > about $12 and $18 each (can`t remember which one costs what). Take 15
> > minutes to replace. Couple bolts hold them on over by the battery.
> >
> > Note that after you replace the burnoff relay, it might take a couple
> > of starts before the code goes away. The burnoff relay clicks on when
> > the car is shut OFF. I`ve apparently had enough crud on the MAF wire
> > where it took a couple of burnoff cycles to clean it throughly.
>
>
From: "Black Bomb" <wassup350(at)hotmail.com>
Subject: bad MAF symptoms
Date: Thu, 14 Oct 2004 15:26:54 -0400
Lines: 19
NNTP-Posting-Host: p4400.cae.ca
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Hi
The service light is constantly lit up on my friends 89. It gives code 36 &
he tells me that his car runs fine but with a power loss. Sometimes on
mine, I loose my acceleration completely for about 6-8 seconds and then the
service light comes on for about 8 seconds and leaves code 36. Apparently
from what I heard, my problem will get worst. I`m wondering what are
symptoms that some of you`s have experienced with a bad maf.
Thanks
Dan
89 Coupe Blk on Blk
P.S.
Not too long ago I posted up an add about my friends ZR1 hesitating at low
RPM`s. It turned out that 2 out of 4 spark coils were faulty.
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