Fault code P1350 – a step-by-step guide to diagnosing and fixing it

Error code P1350 is displayed and the check engine light is on - what does this mean?

The DTC P1350 is a manufacturer-specific fault code that is recognized by the OBD/EOBD diagnostics and indicates a problem with the ignition system. This trouble code typically refers to a malfunction in the ignition coil or ignition circuit and can have different specific meanings for different manufacturers.

What causes can this error code have?

• Defective ignition coil
• Damaged ignition cables or ignition leads
• Faulty spark plugs
• Loose or corroded plug connections in the ignition system
• Defective ignition control unit
• Interrupted or short-circuited wiring
• Problems with the power supply to the ignition system
• Faulty sensors in the engine management system

What symptoms occur in parallel with fault code P1350?

• Engine misfires: Engine runs unevenly and noticeable vibrations
• Power loss: Reduced engine power, especially under load
• Starting problems: Difficult starting or longer starting times
• Increased fuel consumption: Deteriorated engine efficiency
• Exhaust odor: Unburned fuel in the exhaust gas
• Jerking when accelerating: Uneven power delivery

How to fix the problem of fault code P1350?

• Repairing fault code P1350 requires a systematic diagnosis of the ignition system.
• Check all ignition coils and replace defective coils completely, including the associated plug connections
• Check spark plugs and install a complete set of new spark plugs if worn or damaged
• Check ignition cables and leads for continuity and insulation faults and replace the entire cable system if there are problems
• Clean and tighten all electrical connections in the ignition system and treat with contact spray
• Diagnose the ignition control unit and replace with a new or overhauled control unit if defective
• Measure the voltage supply to the ignition system and replace the corresponding fuses and relays if there are problems