Cylinder 5 - Injector Leaking

Where it lives

For P02AD, the description names the injector as the part involved. The description of P02AD puts it on cylinder 5.

Check these first

• A worn injector 5 nozzle or pintle
• A failed injector 5 O-ring or seal
• A faulty fuel pressure regulator
• Corrosion on the injector 5 electrical connections
• Dirty or contaminated fuel

What to do next

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

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