GM 16Pin OBD-II Tip

[martin at mgass.demon.co.uk]

You can get the vehicle to flash its check engine stored codes on the 
fascia light by shorting pins 4 and 6 in the 16Pin OBD-II connector 
whilst the ignition(not engine) is on.

Also does anybody know of, or use an IRC chatline to discuss EFI/ECU 
issues ?

Martin
 
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martin at mgass.demon.co.uk
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