P3437
Cylinder 5 Exhaust Valve Control Circuit/Open
P3437 is an OBD-II diagnostic trouble code meaning: Cylinder 5 Exhaust Valve Control Circuit/Open. Common causes: open or short circuit in wiring harness, vvt solenoid valve malfunction. Estimated repair cost: $28–89.
Symptoms
- Check Engine light comes on
- Reduced engine power
- Increased fuel consumption
- Unstable engine idling
- Possible misfire in cylinder 5
Causes
- Open or short circuit in wiring harness
- VVT solenoid valve malfunction
- Poor contact in control circuit connectors
- Problems with the engine control unit
- Mechanical damage to the control circuit
How to Fix
- Check the integrity of the wiring harness to the valve of the 5th cylinder
- Check the resistance and operation of the solenoid valve
- Inspect and clean electrical contacts
- Check control signals from the computer
- If necessary, replace the faulty valve or repair the wiring
Related codes
Error P3437 by Vehicle Brand
FAQ
What does the P3437 code mean?
P3437 is an OBD-II diagnostic trouble code that indicates: Cylinder 5 Exhaust Valve Control Circuit/Open
What causes a P3437 error code?
The most common causes of P3437 include: Open or short circuit in wiring harness; VVT solenoid valve malfunction; Poor contact in control circuit connectors; Problems with the engine control unit.
How do I fix a P3437 diagnostic trouble code?
To fix P3437: Check the integrity of the wiring harness to the valve of the 5th cylinder. Check the resistance and operation of the solenoid valve. Inspect and clean electrical contacts. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P3437?
Yes, but get it checked soon
How much does it cost to fix P3437?
The estimated repair cost for P3437 is $28–89. Actual cost depends on your vehicle, location, and labor rates.
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