Ferrari Mailing List: Re: K&N and MAP Sensor Question

[Doug and Terri Anderson (dnt]

Why Charles, how could it be them?  Its the oil in the filter.  See - - - 
they're correct.  heh heh
DOUG

----- Original Message ----- 
From: "Charles Perry" <charles [at] carolina-sound.com>
To: "DOUG" <dnt [at] dock.net>
Cc: "The FerrariList" <ferrari [at] ferrarilist.com>
Sent: Thursday, January 31, 2008 10:32 AM
Subject: Re: [Ferrari] K&N and MAP Sensor Question


> I've had the problem for years with my Corvette. I can only use a K&N
> since it matches the size of my supercharger intake. So far it has not
> killed a MAF sensor, but it does create problems. I can be driving
> around perfectly normal and all of a sudden the car will start bucking
> and jerking like a throttle position sensor had failed. It hasn't - it's
> just that enough oil has collected on the sensor to make it give bad
> readings to the computer. The car becomes undriveable.
>
> If I pull over and shut the car off for 3 minutes, the GM MAF sensor
> goes through a self-cleaning process where it superheats the MAF wire,
> which burns off the contaminants. After that it'll run perfectly again
> until the next build up. That can be a few hours on a freshly oiled
> filter or a couple of months on a filter that's been in a while.
>
> K&N's web site swears it's not them, but on my car, it is them.
>
> -- charles
>
>
>
> -----Original Message-----
> From: LS [mailto:lashdeep [at] yahoo.com]
> Sent: Wednesday, January 30, 2008 3:57 PM
> To: Charles Perry
> Cc: The FerrariList
> Subject: Re: [Ferrari] K&N and MAP Sensor Question
>
> This happens frequently on any over-oiled air filter...
>
> ----- Original Message ----
> From: rich <richF355 [at] comcast.net>
> To: LS <lashdeep [at] yahoo.com>
> Cc: The FerrariList <ferrari [at] ferrarilist.com>
> Sent: Wednesday, January 30, 2008 3:46:30 PM
> Subject: [Ferrari] K&N and MAP Sensor Question
>
> Some time ago i believe someone made a post regarding  MAP Sensor
> failures as a result of the oil residue from K&N filters on their
> Ferrari.
> Am i remembering correctly and was that determined positively to be the
> cause of the MAP sensor failure. I had a MAP failure  not too long after
> instaling a K&N filter in another car of mine and wanted to  find out if
> this is a known cause .
> Thanks , Rich
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