1997 BMW 328iC Q&A

1997 BMW 328iC Question: evap. emissions sys.detectes a small leak code:p0442

car runs totally perfecthas 97000.how do i find this smal leak? and get ur done. need a smog check.only so many parts ,charcoal canister,purge valve,leak detect conrol, -
Answer 1
Best way is to go to a shop and have them do a 'smoke test' this will quickly locate the source of the leak. -
Comment 1
OR POSSIBLY A SOLENOID HANGING OPEN, BUT YES START WITH A SMOKE TEST. ALSO CK GAS CAP FOR A CRACKED O-RING -