A loose or wrong type fuel filler cap, a small leak in the vapor line from the gas tank to the charcoal canister, a defective vent valve or purge valve...If you have changed the fuel cap recently, or if you see a defect in yours, replace the cap, erase the codes, and see if driving makes the code come back.
Here is a description and possible other solutions: http://www.obd-codes.com/p0442
SOURCE: 2000 gmc 1500 with a Evap emission control system
EVAP CONTROL SYSTEM MAINTANES PRESSURE ON THE FUEL SYSTEM AND TANK... EASY WAY TO DESCRIBE IS IN THE OLD DAYS WHEN YOU REMOVED THE GAS CAP AND IT IS A HOT DAY YOU WOULD RELEASE PRESSURE FROM TANK...NOW YOU HAVE A VENT SYSTEM TO RELEASE PREASURE... BUY THE VENT CONTROL SELENOID AND YOU THE CAN SEE WHAT YOU ARE LOOKING FOR NOT HARD TO REPLACE AT ALL. LET ME KNOW IF MORE HELP NEEDED
SOURCE: I have three codes on my 2000 saturn. p0410, air
Replace the airflow meter.sounds like your problem.
SOURCE: 1997 bravada evap vent circuit malfunction
check evap relay with miultimeter,should be around 1.5 ohms
SOURCE: evap code P0442
it is a generic code, check for broken vacuum lines, replace the gas cap, if you top off when you are filling it with gas you may have a damaged purge valve solenoid.
58 views
Usually answered in minutes!
×