FixVault

Check code 28

CHECK CODE 28 INSPECTION

Check code 28 Oil pressure gauge operation signal
INSPECTION CONDITION DISPLAY ACTION
After selecting check code 28, wait approx. 2 s. 
G04564696Courtesy of MAZDA MOTORS CORP.
Oil pressure gauge needle is fixed a little above the center of the scale. The oil pressure gauge is normal.
Except above Replace the instrument cluster.
G04564697Courtesy of MAZDA MOTORS CORP.
Replace the instrument cluster.