P035F

Ignition F Control Signal Circuit High

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Misfires
Unstable engine idling
Reduced engine power
Increased fuel consumption
Check Engine Light Is On

Causes

Faulty ignition coil
Open or short circuit in wiring harness
Connector problems or contact corrosion
Engine control module (ECU) malfunction

How to Fix

Check the condition of the wiring harness and connectors
Check the resistance and output of the ignition coil
Check the operation of the relevant cylinder (compression, spark plugs)
If necessary, replace the ignition coil
Check and, if necessary, replace the wiring harness
Carry out ECU diagnostics if you suspect a malfunction

Related codes

P0351 P0352 P0353 P0354 P0300