[Shotimes] BARO sensor

[cmichaelo@optonline.net]

Since we almost never discuss this component I'd have to conclude that one of the following apply:

1) it rarely fails, and/or 
2) if it does fail, it's impact on A/F, timing, etc is not that significant.

No?

Michael
94MTX,green,BOS+,Koni/Intrax,Baer,Corbeau
SHO items for sale: http://hometown.aol.com/cmichaelo/for_sale.html

----- Original Message -----
From: Paul Nimz <pnimz@v8sho.com>
Date: Saturday, September 17, 2005 1:11 pm
Subject: Re: [Shotimes] BARO sensor

> The Manifold Absolute Pressure (MAP) sensor operates as a 
> piezoelectric(pressure-sensing) disc. However, rather than 
> generating a voltage, its output
> is a frequency change. The sensor changes frequency relative to intake
> manifold vacuum. The sensor frequency increases as vacuum 
> increases. The MAP
> sensor allows the PCM to determine what the engine load is. Its 
> signal affects
> air/fuel ratio, ignition timing, EGR flow and altitude compensation.
> 
> The BARO sensor is used to sense the changes in barometric 
> pressure, allowing
> the PCM to sense the altitude at which the vehicle is operating. 
> Its signal
> affects air/fuel ratio, spark and EGR for altitude compensation.
> 
> Paul
>  ----- Original Message -----
>  From: Timothy Tyner
>  To: shotimes@autox.team.net
>  Sent: Friday, September 16, 2005 9:20 PM
>  Subject: [Shotimes] BARO sensor
> 
> 
>  What symptoms will I see (if any) of a bad BARO sensor?
> 
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