P2420
EVAP Switching Valve Control Circuit High
2008-2008 Mazda Tribute 2.5L I4
Low SeverityPowertrainGeneric (SAE)
The 2008 Mazda Tribute is equipped with a 2.5L inline-4 engine. Below you'll find detailed p2420 diagnostic code information including labor time estimates, cost ranges, and technician notes specific to this engine configuration.
Description
High signal on the EVAP switching valve circuit.
Symptoms
- Check engine light
Common Causes
- Open circuit
- Short to power
- Failed solenoid
Diagnostic Steps
- Measure circuit voltage
- Check for opens
Repair Notes
Replace valve or repair wiring.
Related Codes
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P2420 on Other Vehicles
Common Questions
What does code P2420 mean on a 2008-2008 Mazda Tribute?
P2420 stands for "EVAP Switching Valve Control Circuit High". High signal on the EVAP switching valve circuit.
What are the symptoms of P2420 on a Mazda Tribute?
Common symptoms of P2420 include: Check engine light.
What causes P2420 on a 2008-2008 Mazda Tribute?
Common causes of P2420 include: Open circuit, Short to power, Failed solenoid.
Last updated: March 2026