1996 Toyota Avalon 6 cyl Front Wheel Drive Automatic 145000 miles
1996 Toyota Avalon
In order of events:
a. No light/nor error codes.
b. Replaced driver's side transaxle due to normal wearing.
c. Replaced transmission with a used one due to mechanic's error by not correctly seating axle seal and burned out original transmission.
d. Two error codes appear after tranny swap.
1. Rear O2 sensor 2. Transmission clutch speed sensor.
e. Replaced O2 sensor and removed code. Repaired bad 2 wire connector on speed sensor and removed code.
f. MIL light remained on. Unable to clear it, despite attempts from 3 garages.
g. Had emissions shop diagnose the problem. Says it must be the ECU and wanted $1800 to replace it, with no guarantee it will solve the problem.
h. I purchased a new old stock ECU off Ebay and installed it in the car. No change in MIL status light.
i. ECU is not flash programmable and is the exact model for this car.
j. MA inspection extension expires in 5 days. This is my son's college commuting car and we will be forced to take it off the road.
k. Other than this light, everything works great on this car.
have the same problem?
Thursday, November 19th, 2009 AT 2:32 PM