Question edited for a lot more clarity.
Question moved to model category.
The MAF sensor is mounted between the air filter and the throttle body. The MAF generates a signal that the PCM uses as a primary input for determining fuel control, and code P0102 is set when the PCM determines that this signal is below specification for a certain amount of time.
Aug 17, 2023
Assuming all the ignition related systems are switched off when the key is out, your description indicates either bad wiring or a fried ECU.
As the car is 2008 and probably more of a wheeled computer than a car, it would be best to seek expert advice from someone with a clever laptop.
There is no reset. You have to identify and correct the cause. Take vehicle to local auto parts store that provides battery/charging test services free. They should be able to identify battery failure or other gross charging faults. Keep in mind they are a PARTS store.
If you smell rotten eggs its usually the cat is stopped up. Go to rockauto.com and look it up, you can try the O2 sensor there also. Just bought an O2 for my Toyota for $19.
Well, probably not.
Since the early 1980's, most cars now have front wheel drives, which include 2 short drive shafts, and each one of those has 2 CV joints, one at each end.
Any one of those four CV joints can break anytime.
A new or rebuilt axle/cv joint set is usually good for about 80-K miles.
Other than regular inspections by a mechanic ( for example, twice a year), the only other precaution to take to eliminate breakdown such as your dtr had would be to have her learn to listen for sounds of problems with the car.
This might mean to turn off the radio, turn off the A/C, roll down all the windows, and be in the car by yourself with no one to talk to, and listen for unusual noises.
A problem here is, if you have not been doing this, you would not know what to listen for!
God bless your efforts.
Toyota dealer would be the best place to ask but if there was a recall it is unlikely to help you so long after the purchase date.
The best they are likely to do is partly fund a repair or replacement in their own workshops. A while ago I heard about a guy who suffered engine failure just out of warranty. Toyota offered to replace the engine for him if he paid 60%. Very nice and generous of them but his cut of the bill still cost him a huge £6000, much more than a repair would have cost at an independant repairer. The trouble was he wasn't the original owner, if he was Toyota would have paid more.
Toyota would also need to have proof all the routine maintenance had been carried out to the letter.
When facing expensive problems it is wise to spend a while gathering information and exploring options before making a decision.
the code should be P0442 which says that it has an air leak,leak somewhere in the evaporative control system with the gas cap being the most likely place for that to happen. However, it can be anywhere within the EVAP control system such as one of the hoses. . .Could be the Intake Air Temperature (IAT) sensor? It measures the temperature of the air going into the engine and is used to adjust the fuel mixture.
