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EVAP Emission Control System Leak (Small). First place to look would be the fuel cap, if it is on correctly and tight, replace the cap with a new one.
My answer is if you still have a reacurring code after you buy a new gas cap, it could be the check valve on your gas tank, It could be a cracked hose from the charcoal canister, it could be that the o-ring for the vent selenoid is bad and needs to be replaced. This answer is in addition to the one above, My name is James.
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Code po442 on 2001 gm sonoma?
Probably a bad gas cap.
How do you reset PO442 code?
Small leak in the evap system. You need to do a smoke test
Yellow engin warning light on dash 2004 freestar what do you check?
Evap Emmissions system has small leak PO442
Are there conditions that cause a false po442 in a Buick's diagnostic test codes?
PO442 is a Service Engine Error code can be caused by one of the following: 1. Defective or loose fuel cap 2. EVAP canister or hose cracked- not connected 3. Purge or vent solenoid defective 4. Vaccum leak at engine
What does dtc code po442 on 99 Ford Explorer xlt 4.0?
evap leak small check gas cap may not be tight
What is the code PO442 on my Eddie Baurer 1999 Ford Expedition?
It's a E V A P Emission Control System Leak (small)
How do I clear check engine code po442?
P0442 = EVAP Emission Control System Leak (small). Fix the leak and the light will go away. Could be as simple as a loose or defective fuel cap.
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