Do I need a new MAP sensor?

[Programmer]

The difference is that he's using kPa in his datalogging, and you're using
"in Hg. You both literally have the same
thing, just different values.

Lyndon.
----- Original Message -----
From: "Craig M." <TPIVette at swbell.net>
To: <gmecm at diy-efi.org>
Sent: Thursday, August 16, 2001 9:02 AM
Subject: Do I need a new MAP sensor?


> I just noticed some strange stuff with this car I've had for a month or
two
> now.... it's a 90 vette, and the first MAP car I've had.
>
> I did some spirited Diacom runs, and noticed the MAP readings only went to
> 29 at the highest measurement. Having never owned a MAP car and not
studying
> up on them yet, I didn't know if this was normal or not. Now I'm digging
> around and notice on Mike Davis' site some Diacom snapshots from his MAP
> runs and notice his MAP readings hit 96. Here's a couple pictures of what
> I'm talking about:
>
> My MAP Runs:
>
> http://www.corvetteforum.net/c4/marcho/images/29map.jpg
> http://www.corvetteforum.net/c4/marcho/images/29map2.jpg
>
> and Mike's MAP Run:
>
> http://www.eecis.udel.edu/~davis/gm-eproms/ecm_swap_730/map-test.gif
>
> Why would my MAP readings be so low? The car runs great. Do I need a new
MAP
> sensor?
>
> Craig M.
>
>
>
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