CEL P0125 and P0135 and P0502 - Saab 9000 Bulletin Board - Saabnet.com
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CEL P0125 and P0135 and P0502
Posted by Todd inMA [Email] (more from Todd inMA) on Mon, 24 Sep 2012 17:36:23
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My '97 Saab 9k CSE Turbo (265k miles) is tripping the CEL with the following codes:
P0125
P0135
P0502 intermittently.
Here's what I've done so far:
Replaced the coolant temp sensor (rear underside of intake manifold)
Replace the thermostat
Replaced the pre-converter O2 sensor
Replaced the ELCD purge valve
Cleaned the ECU connector and socket with Electronic contact cleaner
Observed that the fuel evap hoses are cut/broken off inside the rear right tire well.
Even after all this, I'm still getting the same codes.
The P0502 is coming from the speedometer sensor not working (I have a replacement but have not instaleed it yet)...could this be causing the other two codes possibly?
Not sure where to go next, other than to retrace the steps, and recheck the installed sensors, signals and trace the wiring for any broken or bare wires.
Any suggestions getting to the bottom of this would be greatly helpful.
The car is overdue for inspection and won't pass since the O2, Cat and H02 sensors are showing NOT READY.
Todd inMA
posted by 173.76.23...
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