2001 Corolla 200,000 mi Automatic
I have had this odd problem where only after driving for about 30 minutes or so, the Corolla will then experience a loss of power for 1-3 seconds then jump back to normal at intervals of 5-10 minutes. Error codes occassionaly come up for 420 and more infrequently for 442. There was also a TID $01 CID: $01 Rich To Lean Sensor Threshold Voltage (constant) MAX49 Current: 57
I realized that if it consitantly takes 30 min or more of driving to have this bucking problem occur, then it must be because it takes that long for something to Accumulate, or Deplete, or Contract, or Expand. It would not seem to relate to a sensor malfunction. And since this is Florida, the car doesn't take 30 minutes to warm up
A diagnostic done at Toyota just pointed at overhauling everything related to the Catalytic and Evap sensor system based on the codes. These problems started after a replacement of transmission and front axles, but is unrelated to them directly. But since a cable support was dangling, not bolted back into the engine block after the repair, I've wondered if something in the engine system was accidently messed-up and left in disrepair.
Thanks for any help. Here is a link of Torque Pro sensors recording a bucking event at 4:15 minutes into the video:
Yes if electronics are damaged during that work you could get running problems especially if it's oxygen sensor wiring or any computer module wiring. Have a pro check that first
Thanks Scotty, I thought it could be an electronic signal and read somewhere that temperature change would relate to electronics. It seems it would be a bear to troubleshoot. I did spray electronic cleaner on some of the sensor connections but didn't get anywhere. For some reason, the problem doesn't occur as noticebly idling for 30 min. It seems to require actual driving.
(Right now, even the home phone, tv and internet services are down, so this is a real fun time for getting things fixed and coping in the meantime)