Do you have to reset a mass air flow sensor?
Check if the engine light is still on after the Mass Air Flow Sensor was replaced. The entire system can be reset by unhooking the battery and leaving it unhooked for 10 minutes. Keeping the battery unhooked for longer than 10 minutes won’t hurt anything.
Should you reset ECU after cleaning MAF?
Resetting the ECU would be a good idea, in this case, because a dirty MAF may have caused some odd learned fueling. While eventually it would balance out, I would rather start with a fresh slate.
How do you relearn a MAF sensor?
- Start engine and warm it up to normal operating temperature.
- Turn ignition switch OFF.
- Disconnect mass air flow sensor harness connector.
- Restart engine and let it idle for at least 5 seconds.
- Stop engine and reconnect mass air flow sensor harness connector.
- Make sure DTC P0102 is displayed.
- Erase the DTC memory.
How do you reset check engine light after replacing MAF sensor?
Re: Mass Air Flow Sensor Replaced – Check engine light still on! A way to reset the entire system is to unhook the battery (negative first, then positive) and leave it unhooked for about 10 min. Longer will not hurt anything.
Can you drive with MAF sensor unplugged?
Q: Car runs with the mass airflow sensor unplugged. If you plug it in it will die if the car is running. If you unplug the mass air flow sensor the car will start. If you try to plug it in while it’s running the car will die.
What should I do if I Change my MAF sensor?
1. Remove the air filter element. Then, vacuum out all dust/dirt/debris found inside both halves of the air filter housing. CAUTION: Make sure all dust/dirt/debris is removed from the air filter housing in order to prevent a repeat incident.
When to disconnect the mass airflow sensor?
Once you replace your mass airflow sensor, you will have to disconnect your car battery for some minutes (I recommend 10 to 15). The reason you need to do this is for the car computer to reset to its factory setting and forget previously learned parameters.
Do you have to reprogram the MAF sesnor?
No, you should not have to reprogram the computer. Is there any cracks or air leaks between the MAF sesnor and throttle body? You might have a bad new mass air flow sensor. Experience: ASE certified tech ADVANCED LEVEL PERFORMANCE. Wisconsin certified emissions state inspector
Why does my Subaru not start after MAF change?
Subaru and Nissan factory t… engine will not start after long cranking check engine light shows code 23 for MAF meter. Checked wiring to it and it’s good. Swapped 2 other … read more