The P2020 trouble code relates to a range or performance issue detected in the intake manifold runner position sensor or switch circuit in bank 2.
P2020 Intake Manifold Runner Position Sensor/Switch Circuit Range/Performance Bank 2
Code symptoms P2020.
1. Rough idling.
2. Decreased engine performance, especially at low RPMs.
3. Poor fuel efficiency.
4. The Check Engine Light (CEL) may be illuminated.
This code is common in brands such as:: Chevrolet, Renault, Ford, Toyota, Nissan, Mercedes Benz, Honda.
Causes of the code P2020.
1. Faulty intake manifold runner position sensor or switch.
2. Damaged wiring or connectors in the intake manifold runner position sensor or switch circuit.
3. Incorrect voltage in the intake manifold runner position sensor or switch circuit.
Code Solutions P2020.
1. Test and replace the intake manifold runner position sensor or switch if it is faulty.
2. Inspect the wiring and connectors in the intake manifold runner position sensor or switch circuit for any damage or corrosion. Repair or replace any damaged wiring or connectors.
3. Check for incorrect voltage in the intake manifold runner position sensor or switch circuit and adjust or repair as necessary.