Question about 1997 Porsche 911
I replaced the battery in my Porsche 911 (993 series), clearing the Motronic codes. Now I need to get my emissions check completed but the codes are reading ''not ready''. Does anyone know what sequence of cold starts, etc. the Motronic needs to compute all of the values?
You can go to your public library and they have the automotive shops mechanic online software called AllData. It is the best auto technician database available today. You can print out specific troubleshooting procedures, diagrams, step-by-step istructions, and soforth. The typical person cannot afford to pay for this service just automotive shops, etc... that is why the public library made it available to everyone and for free to view and print out material. This should Fixya! Good Luck!
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Posted on May 16, 2009
Well what i am about to pen down is a sort of short-cut that works 8 out 10 times so you could give it a try:
To review the FAULT CODES from the ECU memory use the following procedure:
1) Turn the ignition switch to the 'engine run' position.
2) Depress the gas pedal to the floor 5 times.
The CHECK ENGINE light will blink out the FAULT CODES starting with the lowest number first. These FAULT CODES consist of 4 digits each separated by a short pause
(ie. blink pause blink blink pause blink pause blink translates as 1 2 1 1)...........sodeep
Posted on May 16, 2009
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Posted on Jan 02, 2017
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