Cylinder 1 - Injector Leaking

Where it lives

For P029D, the description names the injector as the part involved. The description of P029D puts it on cylinder 1.

Check these first

• A leaking or clogged cylinder 1 fuel injector
• A failed injector 1 O-ring or seal
• A fuel pressure regulator stuck high
• Corrosion in the injector 1 connector
• A faulty fuel pressure sensor

What to do next

1. Run a fuel system leak down test and watch rail pressure
2. Pull the cylinder 1 plug and check for a fuel smell or wet fouling
3. Inspect the injector 1 O-rings for leaks
4. Check fuel pressure and the pressure regulator
5. Replace injector 1 if it leaks down
6. Clear the code and retest

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