Honda CR-V: DTC Troubleshooting
- DTC P0443: EVAP Canister Purge Valve Circuit Malfunction
- DTC P0451: FTP Sensor Range/Performance Problem
- DTC P0453: FTP Sensor Circuit High Voltage
- DTC P0455/P0456: EVAP System Large Leak Detected/Very Small Leak Detected
- DTC P0457: EVAP System Leak Detected/Fuel Fill Cap Loose or Missing
READ NEXT:
DTC P0443: EVAP Canister Purge Valve
Circuit Malfunction
Special Tools Required
Vacuum pump/gauge, 0-30 in.Hg, Snap-on YA4000A
or equivalent, commercially available.
NOTE: Before you troubleshoot, record all freeze data
and any on-board snapshot, and revie
DTC P0451: FTP Sensor Range/Performance
Problem
NOTE:
Before you troubleshoot, record all freeze data and any on-board
snapshot, and review the general troubleshooting information.
If DTC P2422 is stored at the same time as DTC P0451,
trouble
DTC P0453: FTP Sensor Circuit High Voltage
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. Clear the DTC with the H
SEE MORE:
Piston Ring Replacement
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
Emissions Testing
Testing of Readiness Codes
If you take your vehicle for an
emissions test shortly after the
battery has been disconnected or
gone dead, it may not pass the test.
This is because of certain ‘‘readiness
codes’’ that must be set in the onboard
diagnostics for the emissions
systems
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