BUICK, CHEVROLET
Reported code forms P0442
INFORMATION ON VEHICLES EXHIBITING AN OPR VALVE CAUSING DIAGNOSTIC TROUBLE CODE P0442, OR CAUSING A LEAK, AIR WILL BE HEARD EXITING THE RUBBER DUMP HOSE LOCATED ON THE LEFT SIDE OF THE FUEL TANK. *TT
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P0442 · Manufacturer communications
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
CHRYSLER, DODGE, EAGLE, JEEP, PLYMOUTH
Reported code forms P0442
SUBJECT REGARDING MISDIAGNOSED LEAK DETECTION PUMP SYSTEMS WITH DIAGNOSTIC TROUBLE CODES P1494, P0442 P0455, OR P0456. *TT
FORD, LINCOLN, MERCURY
Reported code forms P0442
INFORMATION ON DIAGNOSING A VEHICLE WITH MALFUNCTION INDICATOR LAMP ILLUMINATED AND DIAGNOSTIC TROUBLE CODES P0442 AND P0455 STORED IN CONTINUOUS MEMORY. *TT
FORD, LINCOLN, MERCURY
Reported code forms P0442
SOME VEHICLES MAY EXHIBIT MALFUNCTION INDICATOR LIGHT ON WITH EVAPORATIVE DIAGNOSTIC TROUBLE CODES P0442, P0455 SET. *TT
FORD, LINCOLN, MERCURY
Reported code forms P0442
MIL LIGHT ON WITH EVAPORATIVE DTC P0442, P0455
CHEVROLET, GMC, OLDSMOBILE
Reported code forms P0442
DTC P0442 CAUSED BY A EVEAP VENT (SOLENOID) VALVE LEAK. *AK
CHEVROLET, GMC
Reported code forms P0442
SERVICE ENGINE SOON (SES) LAMP ON WITH DIAGNOSTIC TROUBLE CODE (DTC) P0442 STORED IN POWER TRAIN CONTROL MODULE (PCM) MEMORY. P0442 DIAGNOSTICS IN SERVICE INFORMATION MAY NOT DETECT A LEAK IN THE EVAP SYSTEM. *TT
CADILLAC, CHEVROLET, GMC, HUMMER
Reported code forms P0442
SOME 2004 FULL SIZE TRUCKS AND UTILITIES MAY EXPERIENCE A DIAGNOSTIC TROUBLE CODE P0442. *TT