Question about Cars & Trucks
Code P0442 refers to the E-VAP system. A small vacuum leak is detected and it could be the result of a loose, missing, or defect gas cap. There could be another problem in the system too. This is a good start. Let me know if if there is anything else, good luck.
Posted on Mar 03, 2014
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Posted on Jan 02, 2017
SOURCE: check engine light code PO442
You likely won't notice any drivability problems. P0442 indicates a fuel vapor leak in the EVAP control system. It means a very small leak has been detected. In fact, the leak can be from a hole as small as 0.04" in diameter.
The (EVAP) emission control system prevents the escape of fuel vapors from a vehicle's fuel system. Fuel vapors are routed by hoses to a charcoal canister for storage.
Later, when the engine is running a purge control valve opens allowing intake vacuum to siphon the fuel vapors into the engine.
With 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.
Good luck and hope this helps
Posted on May 07, 2009
The problem is most likely to be with your vacuum line they put cheap rubber hose for this purpose. You should find a diagram at the front of the vehicle trace the hoses by this diagram. You most likely will find a bad piece of hose.
Posted on Jul 20, 2009
I have a dodge stratus and the engine light is on and it drives and its as though someone stopped it with a grabbing sensation but its not the brakes they are not involved. i thought the pause and cut off was caused by the transmission but it not that either
Posted on Mar 30, 2010
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