NOTE: Before you troubleshoot, record all freeze data
and any on-board snapshot, and review the general
troubleshooting information.
1. Turn the ignition switch ON (II).
2. Check for Temporary DTCs or DTCs with the HDS.
Are any Temporary DTCs or DTCs other than P050A indicated? YES-Go to the
indi
1. Remove the piston from the engine block.
2. Using a ring expander (A), remove the old piston
rings (B).
3. Clean all ring grooves thoroughly with a squared-off
broken ring or ring groove cleaner with a blade
to fit the piston grooves.
The top and 2nd ring grooves are 1.2 mm (0.05 in.)
wide. Th