Removal & Installation: Camshaft: Inspection
WARNING: This page is about a different car, the 2002 Mazda B3000 and 2001 Mazda B3000. However, it is still accessible from the selected car via links, so may be relevant.
Inspect journal diameter, lobe lift, oil clearance and runout. Replace camshaft if these are not within specification. See CAMSHAFT table under ENGINE SPECIFICATIONS.