Cylinder 6 Fuel Trim at Min Limit

Common symptoms

What you'll notice

• Check for any fuel leaks or restrictions in the fuel line leading to cylinder 6.
• Inspect and clean the fuel injectors or replace if necessary.
• Verify proper operation of the fuel pressure regulator and replace if faulty.
• Ensure the air intake system is free from any clogs or restrictions that could affect the air
• fuel mixture.
• If all else fails, consider checking the engine's compression or performing a cylinder leak
• down test to diagnose any potential internal engine issues.

Common causes

Most likely first

1. Faulty fuel injector in cylinder 6
2. Clogged or dirty fuel injector in cylinder 6
3. Vacuum leak in the intake manifold affecting cylinder 6
4. Faulty oxygen sensor in cylinder 6
5. Low fuel pressure in the fuel system serving cylinder 6

How to diagnose & fix

Work through it in order

1. Reduced engine power or poor acceleration
2. Rough idle or stalling
3. Misfires or hesitation during acceleration
4. Decreased fuel efficiency
5. Check engine light illuminated