Impreza_WRX_STi Posted September 16, 2003 Share Posted September 16, 2003 My ole' 93 Impreza has been having some issues starting sometimes. When ever it does start, for about 30 seconds after start-up it sprays out carbon out of exhaust. It actually leaves black on the pavement (kinda looks like I was aiming black spray paint). Any help is much obliged, thanks Max Also in same forum, see my post on trouble starting, this could relate to a bad ECT sensor? I don't know. Link to comment Share on other sites More sharing options...
Impreza_WRX_STi Posted September 23, 2003 Author Share Posted September 23, 2003 bump Link to comment Share on other sites More sharing options...
Setright Posted September 23, 2003 Share Posted September 23, 2003 Over fueling, and possibly a failed catalyst. Over fueling could have killed the cat. Have the oxygen sensor (lambda sond) checked. Possibly the coolant temperature sensor - the ECU use this to help decide how to start the engine. Link to comment Share on other sites More sharing options...
Impreza_WRX_STi Posted September 25, 2003 Author Share Posted September 25, 2003 To test you can tap directly into the ECU harnesses, right? Max Link to comment Share on other sites More sharing options...
Setright Posted September 25, 2003 Share Posted September 25, 2003 Probably, but I havent tried Link to comment Share on other sites More sharing options...
Impreza_WRX_STi Posted September 26, 2003 Author Share Posted September 26, 2003 Thanks ! Max Link to comment Share on other sites More sharing options...
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