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Thanks, will start investigating.
No, the pump isn't always running.
Hi Folks, Thanks again for all the prior help. Working on a 2001 Prius this time for the non profit. Has a perpetual C1246 code. There is a...
Hi Folks, Closing this one out. The following items were done to resolve the too lean code: New plugs (didn't resolve the code) New coil packs...
Thanks all for the tips and feedback. Gonna try swapping the coils, followed by the other advice in the order of time/difficulty. Will follow up...
Cleaned throttle body, new denso o2 sensor, problem persists. Cleaned MAF as well. Codes are specific: too lean, misfire cylinder 1, misfire...
Thanks for that. Working fine meaning the voltage is moving as one would 'expect'. The sensor is probably the original. Will talk to the mechanic...
Yes, the shop only uses OEM parts for cars.
Hey Folks, Thanks again for all the previous help. Got another donated Prius trying to resolve some problems on. 2001 Prius, 218k on the odo....
Thanks! Will try that next when I go wrench on the car (next weekend).
Removed the MAF, used the electronics/MAF cleaner on the sensor tip. It wasn't mucked up or black, could clearly see the silver metal. Let it dry...
Another donated prius with some gremlins. Recently donated 2001 Prius, 220k on the odo, came with P0171 CEL. Drove it 200 miles. vehicle never...
Got to it today: Looks fairly clean, no blockage, cleaned out very easily, etc.. Drive it around for a week and see if the misfire comes back....
Thanks for the reminder (since you did mention it above). Will remove and inspect/clean in the next few days. Hoping to finish this car by the...
....and I'm back. Finally got around to removing everything to inspect each cylinder and check the plugs. Plugs were fine, just old (looked...
Aren't GIFs required when posting meme style comments?
Didn't get a chance to remove the wipers and inspect the cylinder yesterday, hopefully soon. I did hook up the BAFX OBDII with Prius Doctor, no...
Thanks, will look. Is it visible enough to see w/o one of those port cameras?
Thanks for this. I found an old Android phone and actually found the BAFX OBDII reader (someone had left it in a previous donation car, I just...
Thanks for all the replies. Planning to work on the car tomorrow (need to rent the compression test set from autozone to test all the cylinders,...