Quick OBD-II question, I think

[Len Sabatine]

    No  Malfunction Indicator Lamp [MIL] before dealer service , Hmmm, 
suggest return to
   " dealer" , they should be able  locate problem quickly with a Tech2. 
Sounds like an
   "OOPS" on dealer's part here. One last thing , as mentioned in a 
previous post , make
   certain that Fuel Cap isn't loose , this condition, if exist, will 
prompt a M.I.L.  as fuel tank
  pressure sensor will "see" the pressure drop from loose fuel cap.
    FYI , S.E.S. = Old Term ,  M.I.L . = New Term.

    Len

At 11:42 AM 6/28/00 -0400, you wrote:
>Vehicle was just serviced by dealer.  Fixed an "alleged" manifold leak,
>various other things.  SES light did not come on before service.
>Steve
>
>-----Original Message-----
>From: Len Sabatine [mailto:sabatine at epix.net]
>Sent: Wednesday, June 28, 2000 10:46 AM
>To: gmecm at diy-efi.org
>Subject: Re: Quick OBD-II question, I think
>
>   SES Flash Codes are NLA on OBD2. Necessary to use OBD2 Scan tool to
>retrieve "Codes". See if the SES clears itself in 4 drive cycles, this is
>part
>of the OBD2 protocol "Monitors, especially if the vehicle appears to operate
>correctly with no obvious driveability problems.
>
>Len
>At 09:08 AM 6/28/00 -0400, you wrote:
> >Got a friend with a 98 Malibu.  Check engine light came on this morning.
> >How do you get it to flash the SES light like the old ECMs?  I'm OBD-II
> >stupid!
> >
> >Steve
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