P200A: Intake Manifold Runner Performance Bank 1 — what it means, the affected system and what to check before replacing parts.
Meaning, symptoms, causes and checks
Intake Manifold Runner Performance Bank 1. Basic catalogue definition; diagnostic details have not yet been reviewed.
Affected system: Powertrain
Symptoms
- An engine warning may accompany rough idle or hesitation when accelerating.
- Reduced throttle response or worse fuel economy can also occur.
Possible causes
- Bank-1 intake runner flaps or linkage may stick or become worn.
- The runner actuator or its vacuum supply, where used, can malfunction.
- Sensor wiring, connectors or runner-position feedback may be unreliable.
What to check
- Read related DTCs and visually inspect intake-runner linkage, vacuum hoses and electrical plugs.
- With the engine stopped, check accessible flap movement for resistance or play.
- If supported, command the actuator with a scan tool and compare its response with the vehicle repair procedure.
Also written as: P200A-00, P200A00 (some scan tools add the fault-type byte, e.g. -00).