Cylinder 3 exhaust valve stuck open/closed in your vehicle? Power loss and emission fail. Scan P3421, test the circuit, then repair now or replace.

Check engine light and power loss on your vehicle? P3420 = Cylinder 3 Deactivation/Intake Valve Control Circuit High—fix it now to avoid engine damage.

Your vehicle’s power loss and check‑engine light mean Cylinder 3 Deactivation/Intake Valve Control Circuit Low—scan the module and inspect wiring now.

Power loss or rough run on your vehicle? P3418 means Cylinder 3 deactivation/intake valve control circuit failure—scan and reprogram or replace the module.

Your vehicle loses power on cylinder 3 and lights check engine—cylinder 3 deactivation/intake valve circuit open. Scan and reprogram or replace module.

Your vehicle loses power, check engine light on due to Cylinder 2 Exhaust Valve Control Circuit High; scan P3416, test circuit, reprogram or replace.

Cylinder 2 misfire or power loss in your vehicle? Low exhaust valve control circuit risks engine damage. Scan, test and repair your module today.

Engine misfire on your vehicle? P3414 signals Cylinder 2 exhaust valve control circuit performance fault—repair now to prevent engine damage. Scan and fix.

Exhaust valve not opening on cylinder 2 in your vehicle? Loss of power and emissions risk. Scan the P3413, test the circuit, and plan a repair today.

Loss of power on your vehicle? P3412 indicates Cylinder 2 Deactivation valve circuit high—risk engine damage. Scan, inspect wiring, book module repair.