Right....forgot about that. i have the back of the head torn back down tracing wires so it will be awhile before I can start it. I actually think I am dealing with 2 separate issues. Very frustrating.
Eric On Sun, May 31, 2009 at 2:06 PM, Ray Ayala <[email protected]> wrote: > You can disconnect the cable after the engine is started. > > ----- Original Message ----- > *From:* Eric McCord <[email protected]> > *To:* Ray Ayala <[email protected]> > *Cc:* [email protected] > *Sent:* Sunday, May 31, 2009 11:02 AM > *Subject:* Re: Link display issue and going into limp mode @4k rpm > > I checked the air temp sensor to ground and it is good. I also checked > across the pins on the coolant temp sensor and it is not open. I don't see > any shorted wires. I unfortunately have the Link set to not start without > the keypad so trying it with the cable disconnected at the ECU is not > possible. > > Eric > > On Sun, May 31, 2009 at 12:38 PM, Ray Ayala <[email protected]> wrote: > >> On the surface it would appear that the dead display and the limp-home >> mode have two unrelated causes, but a bad ground can cause a multitude of >> symptoms. The limp-home mode can be caused by a high coolant temp signal (a >> shorted wire will do this) or a missing air temp signal (wire either shorted >> or open). The display cables are known to go bad over time just because the >> plastic insulation hardens and cracks, even if they are not being used. I'd >> suggest disconnecting the cable from the ECU ... at the ECU end ... If one >> of the display cable wires is shorted to something it also can also produce >> unpredictable symptoms. >> >> ----- Original Message ----- >> *From:* Eric McCord <[email protected]> >> *To:* Ray Ayala <[email protected]> >> *Cc:* [email protected] >> *Sent:* Sunday, May 31, 2009 9:16 AM >> *Subject:* Re: Link display issue and going into limp mode @4k rpm >> >> All the grounds are connected, no pinched wire. Still no text display on >> the Link keypad. >> >> Eric >> >> On Sat, May 30, 2009 at 9:07 PM, Ray Ayala <[email protected]> wrote: >> >>> Check to be sure all of the grounds got reconnected. If that's not it, >>> follow all of the wiring harnesses around the engine bay and look for >>> possible pinched wiring. >>> >>> ----- Original Message ----- >>> *From:* Eric McCord <[email protected]> >>> *To:* [email protected] >>> *Sent:* Saturday, May 30, 2009 6:02 PM >>> *Subject:* Link display issue and going into limp mode @4k rpm >>> >>> I just completed a headgasket change and coolant reroute. I now have no >>> display on the link pad but the buttons light up and the backlight comes on. >>> Also I hit what feels like the limp home mode but it varies between 3k and >>> 4k. I can build boost in 3rd gear up to 5psi but when I hit 4k it hits the >>> limp home mode. >>> >>> Eric >>> >>> ------------------------------ >>> >>> _______________________________________________ >>> Miatapower mailing list >>> [email protected] >>> http://list.miatapower.net/cgi-bin/mailman/listinfo/miatapower >>> >>> >> >
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