P2429 Fault Code

Exhaust Gas Temperature Too High Bank 2

• What does that mean?
• Symptoms
• Causes
• Solutions

The P2429 fault code indicates that the exhaust gas temperature in Bank 2 of the engine is excessively high. This can be a serious issue affecting engine performance and longevity. Keeping the exhaust gas temperature within specified limits is crucial for optimal operation and efficiency.

What are the symptoms of the P2429 code?

• Engine warning light illuminated on the dashboard
• Decreased engine performance
• Unusual exhaust smoke or odor
• Engine overheating problems
• Increased fuel consumption

What causes the P2429 code?

• Insufficient cooling of the exhaust system
• Faulty temperature sensors
• Malfunctioning turbocharger or wastegate
• Blocked or clogged catalytic converter
• Fuel mixture too rich, causing excessive combustion temperatures

How to fix P2429?

• Inspect and replace faulty exhaust temperature sensors
• Check for coolant leaks or insufficient cooling to the exhaust system
• Clean or replace a clogged catalytic converter
• Ensure proper functioning of the turbocharger and wastegate
• Remap engine fuel settings if running rich