Chip ecu back to stock

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Aug 31, 2007 | 07:13 PM

Ruben19

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From: Panama, Panama

Chip ecu back to stock

i have a obd1 p72 gsr chip ecu but never tune.
i want to change it back to stock.
what should i do

Aug 31, 2007 | 07:55 PM

dude_123

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From: USA

Re: Chip ecu back to stock (Ruben19)

Depending on what the person who chipped your ECU used, just cut off/take off the jumper on J1 located right above the chip and ECU will return to stock.

Sep 1, 2007 | 12:54 PM

Ruben19

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Re: Chip ecu back to stock (dude_123)

do you have a diagram or pic?

Sep 4, 2007 | 05:18 AM

D@nnY

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Re: Chip ecu back to stock (Ruben19)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Ruben19 »</TD></TR><TR><TD CLASS="quote">do you have a diagram or pic?</TD></TR></TABLE>

just take the cover off look for j1 and cut it . its clearly marked

Sep 4, 2007 | 10:05 AM

Relic1

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From: chicago burbs, Il, USA

Re: Chip ecu back to stock (D@nnY)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by D@nnY »</TD></TR><TR><TD CLASS="quote">just take the cover off look for j1 and cut it . its clearly marked</TD></TR></TABLE>

USDM P72, J1 is on the lower right, right above the chip (plugs on left side, parts facing you)

JDM P72, J1 is on the solder side of the board, center right (plugs on left side, parts facing away from you)

I'm not 100% on the JDM one, It's been a while since I worked on one. I may be getting it confused with the P30.