← Mazda Miata NB (1999-2005 US model years)

Mazda Miata NB (1999-2005 US model years): common problems

IssueSeverityAffected yearsConfidence
NB1 ignition coil packs wear out and can damage the catMedium1999-2000 (NB1)Reported
Thrust-bearing failure in some 1999-2000 carsMedium1999-2000Confirmed
Clutch chatter in 2001 and some 2002 carsLow2001-2002Reported
Plastic radiator end tanks go brittle; airflow blockageMedium1999-2005Reported
Corroded coolant mixing-manifold elbow (NB1)Medium1999-2000Limited
Crank and cam position sensor problemsLow1999-2005Reported
Rust (front side members, East Coast cars)Medium1999-2005Reported
EGR codes and idle dropLow1999-2000 (listed)Limited