P3471

Cylinder 9 Exhaust Valve Control Circuit Low

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$28–100 (est.)

Symptoms

Floating engine speed
Reduced engine power
Increased fuel consumption
Check Engine Light Is On
Unstable engine operation at idle

Causes

Cylinder 9 exhaust valve malfunction
Open or short circuit in control circuit
Wiring Harness Problems
Control module malfunction
Poor contact in the connector

How to Fix

Check the condition of the exhaust valve of cylinder 9
Check valve control circuit integrity
Inspect the wiring harness for damage
Check the contacts in the valve connector
If necessary, replace faulty components

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