[Shotimes] Lean stumble before sencondary kick in

[Jim & Debbie Leyden]

Debbie's '93 MTX was running very poorly a couple months ago.  I was at FPS
and mentioned it to Doug.  He removed the sensor and tried to clean it using
(I think) brake parts cleaner.  It would not come clean.  He ended up
carefully scraping the wire with a knife blade to remove the carbon.  I was
amazed at the drastic improvement that it made.  However, scraping the MAF
wires is not for the clumsy or faint of heart.

Jim



-----Original Message-----
From: shotimes-admin@autox.team.net [mailto:shotimes-admin@autox.team.net]
On Behalf Of Leigh Smith
Sent: Monday, October 31, 2005 10:25 PM
To: Ian Fisher; SHOtimes
Subject: Re: [Shotimes] Lean stumble before sencondary kick in

Good point, I'm not sure of the chemical he used. I'll have to ask. He did
say it was one of the dirtiest MAF wires he'd seen in a while. He recommends
cleaning them about once every 2-3 years.
Lee
Guess I'll have to find those bits since I'm planning on keeping this SHO
longer than that!

----- Original Message ----- 
From: "Ian Fisher" <dataflash@yahoo.com>
To: "SHOtimes" <shotimes@autox.team.net>
Sent: Monday, October 31, 2005 2:43 PM
Subject: Re: [Shotimes] Lean stumble before sencondary kick in


> The last time I cleaned one I used tuner cleaner. I
> don't think I'd want to use carb cleaner on the sensor
> hotwires.
>
> Ian
>
> > >
> > > No. I think the tech cleaned the MAF wire with
> > carb cleaner, or
> > > something
> > > like that. I know he had to remove the MAF module
> > with a tamper
> > > resistant
> > > torx bit that I didn't have.
> > > Lee
> > > ----- Original Message -----
> > > From: "Alan Fanning" <Awfanning@earthlink.net>
> > > To: "SHOtimes" <shotimes@autox.team.net>
> > > Sent: Sunday, October 30, 2005 3:21 PM
> > > Subject: Re: [Shotimes] Lean stumble before
> > sencondary kick in
> > >
> > >
> > > > Did you use the dishwasher or what? ;-)
> > > >
> > > > Alan
> > > >
> > > > wrote:
> > > >
> > > > > Subject: [Shotimes] Lean stumble before
> > sencondary kick in
> > > > >
> > > > > Just cleaned my MAF yesterday on advice from a
> > very good tech. What
> > > a
> > > > > difference!
> > > > > I was getting random part throttle lean
> > stumble / misfire / bucking
> > > /
> > > low
> > > > > torque issues at times, 2000-3000 rpm, but
> > sporadic.
> > > > > Now it's all gone, and part throttle torque is
> > up a lot.
> > > > > Biggest symptom clue: If your car has a
> > definate power surge / jump
> > > when
> > > the
> > > > > secondaries kick in, like mine did, then have
> > your MAF checked out /
> > > cleaned.
> > > > > Now I can hear the secondaries kick in at 4000
> > but I can't feel a
> > > thing,
> > > cause
> > > > > the power output has no spikes/peaks/jolts,
> > it's so dead smooth!!
> > > Just a
> > > > > slight power swell now, no neck snapping jolt
> > like before. :-)
> > > > > Lee
> > > > > 90k miles and 10 years of dust must not be
> > good for a MAF sensor
> > > wire.
> > > > _______________________________________________
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> > > > Shotimes@autox.team.net
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>
>
>
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