The P02B5: Cylinder 7 – Injector Leaking code indicates that the fuel injector for cylinder 7 is leaking, leading to improper fuel delivery and potential engine performance issues. This can be caused by faulty injector seals, a damaged fuel injector, or problems with the fuel rail. Addressing this issue promptly is important to avoid fuel leakage and engine misfires.
P02B5 – Quick Overview
Meaning | P02B5: Cylinder 7 – Injector Leaking |
Is it serious? | Yes, this code is serious as it can lead to fuel leakage, poor engine performance, and potential safety hazards. |
Possible causes | – Faulty injector seals – Damaged fuel injector – Fuel rail issues |
How to diagnose? | – Inspect and replace injector seals if needed – Test the fuel injector for leaks – Check the fuel rail for any damage or leaks |
P02B5 Meaning
The P02B5: Cylinder 7 – Injector Leaking code indicates that the fuel injector for cylinder 7 is leaking. This can be due to worn-out or damaged injector seals, a faulty injector, or issues with the fuel rail. Fuel leaks can result in poor fuel delivery, engine misfires, and pose a potential safety risk.
Step-by-step diagnostic guide
Here is a guide to diagnosing and repairing the P02B5 code:
Action | Description | Tools Needed |
---|---|---|
Check for Other Codes | Use an OBD-II scanner to check for other related codes, which might provide more insight into the fuel system or injector. | OBD-II Scanner |
Inspect the Injector Seals | Check the injector seals for cylinder 7 for signs of wear, damage, or leakage. Replace the seals if necessary. | Injector Seal Kit, Flashlight |
Test the Fuel Injector | Test the fuel injector for cylinder 7 to check for leaks. Replace the injector if it is leaking or malfunctioning. | Multimeter, Fuel Injector Tester |
Inspect the Fuel Rail | Check the fuel rail for any cracks, leaks, or damage that could be causing fuel leakage. Repair or replace if necessary. | Fuel Pressure Gauge, Flashlight |
Repair/Replace Components | Replace any faulty components, such as injector seals, the injector itself, or the fuel rail, to prevent further leaks and restore proper fuel system operation. | Replacement Parts, Basic Tools |
Clear Code and Test Drive | After repairs, clear the P02B5 code using an OBD-II scanner and take the vehicle for a test drive to confirm the issue is resolved. | OBD-II Scanner, Vehicle Owner’s Manual |
Recheck for Codes | Re-scan the vehicle after the test drive to ensure the P02B5 code does not return. | OBD-II Scanner |
By following this diagnostic guide, you can effectively resolve the P02B5 code, ensuring the fuel injector for cylinder 7 is no longer leaking and that your engine is running efficiently and safely.

Hi, I am Juraj “Yuri” Lukacko. I got frustrated by unhelpful and scammy mechanics, so I decided to learn everything about car diagnostics myself. I test dozens of new car diagnostic tools every month along with learning new strategies to fix and customize cars. About Juraj Lukacko (Yuri)