Reset code P0442 - 1998 BMW M3

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Code P0442 Mazda: Evaporative Emission Control System ...

https://www.autocodes.com > p0442_mazda
The P0442 code means that the control module has detected a small leak in the Evaporative Emission (EVAP). Loose fuel tank filler cap is the most common cause ...

P0442 Mazda: Code Meaning, Causes, Symptoms, & Tech ...

https://www.engine-codes.com > p0442_mazda
The P0442 code means that the control module has detected a small leak in the Evaporative Emission (EVAP). Loose fuel tank filler cap is the most common cause ...

P0442: Faulty EVAP System - mazda

https://mechanics.stackexchange.com > questions > p04...
Jul 15, 2014 · 6 answers
The OBD2 code P0442 means that on your system you have a small air/vacuum leak. Apart from the seal on the gas gap, you must check the purge ...

2004 Mazda MPV OBD2 Code P0442 Evaporative Emission ...

https://www.mycarspecs.com > mazda > mpv > base > p...
The P0442 code indicates that there is a small leak in the EVAP system, but this is somewhat misleading. What the code really indicates is that the EVAP system ...

It means there is a leak in the e vac system

Evap leak..... more than likely it’s an evap sensor or solenoid that’s is the problem.

A code P0442 most likely means one or more of the following has happened: A loose or improperly affixed gas cap A non-conforming gas cap (i.e. not factory/original brand) A small leak/hole in a fuel vapor hose/tube Other small leak in EVAP system Faulty vent o-ring seal Defective vent valve Defective purge valve Defective leak detection pump

Read more at: http://www.obd-codes.com/p0442
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Discussion of that code:
P0442 OBD II Trouble Code

another source
P0442 OBD II Trouble Code

A loose or improperly affixed gas cap A non-conforming gas cap (i.e. not factory/original brand) A small leak/hole in a fuel vapor hose/tube Other small leak in EVAP system Faulty vent o-ring seal Defective vent valve Defective purge valve Defective leak detection pump

Read more at: http://www.obd-codes.com/p0442

P0442 Means you have a small leak in your EVAP system. P0455 is a large leak.
The EVAP system prevents gas vapors from entering the air .
This code can be set by a leak in the lines or a clogged charcoal canister.
Most common reason is If you did not put your gas cap on all the way.
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P1442
The code actually has another character in front of it, most likely a P (Powertrain) code as they're most common, although it could also be a B (Body) or C (Chassis) code. So it's likely P1442 and it's description is Evaporative Emission Control System Leak Detected. That code is specific to Toyota vehicles, although it seems nearly identical to the generic code P0442. This error pertains to the emissions system in the car. You now have the choice of either taking the car to a qualified technician or you can try a few troubleshooting steps yourself. If you're not mechanically inclined, I would recommend you change the gas cap to a brand new Toyota one (not a cheap aftermarket one), reset the code and see if it comes back. If the code returns there are additional steps you can take. Take a look at this P0442 article for other ideas.

click on code for details.
P0507
P0442
P0443

The computer that read the code for you can also reset it.  If you don't have one, you can go to your local auto parts store and have them reset it for you.  This is what your code means P0442 Evaporative Emission Control System Leak Detected (small leak).  This is what Causes it and possible fixes: CausesA code P0442 most likely means one or more of the following has happened:

• A loose or improperly affixed gas cap
• A non-conforming gas cap (i.e. not factory/original brand)
• A small leak/hole in a fuel vapor hose/tube
• Other small leak in EVAP system
• Faulty vent o-ring seal

Possible SolutionsWith a P0442, the most common repair is to:

• Remove and reinstall the gas cap, clear the codes, and drive for a day and see if the codes come back.
• Otherwise, replace the gas cap, or
• Inspect the EVAP system for cuts/holes in tubes/hoses