[s-cars] MTM ECU Problem

[DOUGLAS LANDAETA]

Douglas,

Get your own ECU back. I don't mind Uncle Joe's freshly rebuilt A/C
compressor in my car, but I wouldn't want someone else's ECU. You may
have gotten one of those bad ones from a while back and they may never
figure out what the upgrade problem was/still is. If there was a solder
not right or an EPROM damaged or code not firmed into the right place
or multiple attempts to store new code after a mistake, phew... I have
no BTDT, since my car was chipped by the PO, but it's a damn shame to
spend the money and then have to drive the Toyota!

Doug L (feelin your pain)



----- Original Message -----
From: "Fifield, Douglas" <Douglas.Fifield at TENNANTCO.com>
Date: Friday, April 4, 2003 11:26 am
Subject: RE: [s-cars] MTM ECU Problem

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> Mike,
>
> The upgrade was done through Anderson Motor Sports here in
> Minneapolis.  I
> am waiting to hear from the mechanic who diagnosed the problem as
> beinglinked to the ECU.  He was going to take the problematic ECU
> over to
> Anderson last night.  The mechanic who has the car now was
> recommended by
> Anderson because they (Anderson) were booked up and couldn't fit
> me in.  The
> upgrade was a swap, my ECU was taken out and a replacement was put in.
>
> Douglas
>
> -----Original Message-----
> From: MLP [mlped at qwest.net]
> Sent: Friday, April 04, 2003 10:20 AM
> To: Fifield, Douglas; s-car-list at audifans.com
> Subject: RE: [s-cars] MTM ECU Problem
>
>
> Doug, if I recall correctly, there was a spate of ecu upgrades
> that came out
> of Hoppen's shop a year & a half or so ago that exhibited
> problems.  As I
> recall the chip swap / install was defective or failed for one or more
> reasons either immediately at, or shortly after installing the
> ECU's back in
> the car.  I don't recall if the cause of the problems were ever
> narroweddown to some internal malfunction in one of the EPROM
> chips, or (more
> likely) something related to the removal & reinstall of the chips
> on the ECU
> board.  As I understand, some tuners re-solder chips directly to
> the mother
> boards; some install sockets into which chips can be swapped back
> & forth.
> If you are in the latter category, I guess it wouldn't hurt to
> make sure the
> chips are well seated in the sockets etc.
>
> One local shop that used (and may still use) Hoppen/MTM for ECU
> upgrades had
> to borrow a spare ECU on more than one occasion while they sent the
> problematic ECU back to be resoldered, or otherwise fixed.  As far
> as I
> know, Hoppen always stood behind correcting the problem, at least
> on the MTM
> chips & ECU's done by them.
>
> Where or from who did you get your MTM chips?
> Was the ECU sent off to have it done?  If so, who did the MTM chip
> swap? Do
> you know if your mechanic had previous experience or problems with
> who ever
> did the R&R on the ECU chips?
>
> HTH
> Mike
>
> -----Original Message-----
> On Behalf Of Fifield, Douglas
>
> All,
>
> My 95.5 S6 Avant died on the freeway recently.  It had been exhibiting
> intermittent loss of power problems for a few days.  Codes pulled
> on Monday
> pointed to a bad cam position sensor.  The mechanic traced the
> problem back
> to the ECU which was replaced about a month ago when I went to an
> MTM Stage
> 1 upgrade.
>
> Have others had problems with the MTM ECU's?  I would be
> interested to hear
> from you if you have.
>
> Douglas, dead in MN
> 95.5 //S6Avant - mine
> solder
>
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