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I have a Mazda 323, noticed one day the the car lost power saw the HOLD light blinking on the dash. Took it for a diagnostic and two messages came up:-
1. PO118 ECT SENSOR
2. PO755 SHIFT SOLENOID #2
Have no idea what those messages mean. I was told by the guy who did the diagnostic that my transmission needs to be rebuilt or to purchase a new one.
A lil help with this issue would be appreciated.
Or simply the obvious, shift solenoid #2 needs to be changed.
A shift solenoid is a little electro-mechanical component inside the tranny that the engine computer uses to regulate gear changes. You have 5 of them.
If the ECU detects an issue with the transmission, it will go into limp (safety mode?, failsafe mode?) mode which is what you are getting now.
These codes can also be caused by faulty wiring, slack connectors on the tranny so beware of this.
This can be done for relatively small money at a transmission repair person. Anyone who says change a tranny for a shift solenoid deserves a bullet in the head.
You should also get that ECT sensor looked at. Possibly not related to the transmission issue but can cause other issues. It's also an easy change. Plenty of good transmission men in Barbados.
Thanks a lot much appreciated. 
