HELP chipped p72 but its not working properly
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Junior Member
Joined: Feb 2002
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From: AZ
HELP chipped p72 but its not working properly
Okay, I chipped my ecu according to the artical found at http://pgmfi.crx-forum.org/index2.html but the ecu is not reading the roms.
can someone enlighten me on this subject. what do i need to do?
can someone enlighten me on this subject. what do i need to do?
Honda-Tech Member
Joined: Aug 2002
Posts: 4,417
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From: ashEVILle, NC, USSR
Re: HELP chipped p72 but its not working properly (a z n t a k)
OBD1 ECUs are dual sided boards. The solder needs to flow completely from top to bottom. For a soldering newbie, sticking with a smaller (15 watt) iron is best, as otherwise you can destroy the ECU board with excess heat.
Make sure the chips are 170ns speed or faster. The ones labelled -200, -20, or -2 are likely 200 ns, and the cause of dead CEL aka CEL 0.
Make sure the chips are 170ns speed or faster. The ones labelled -200, -20, or -2 are likely 200 ns, and the cause of dead CEL aka CEL 0.
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