Cylinder 3 Injection Timing Performance - Over Advanced

Check these first

• An over advanced injector timing on cylinder 3
• A stuck or slow injector on cylinder 3
• Air in the fuel rail at cylinder 3
• An incorrect fuel injection calibration
• A cam or crank signal skewing timing

What to do next

1. Compare cylinder 3 injection timing on a scan tool
2. Check the injector balance on cylinder 3
3. Inspect the cylinder 3 injector connector and wiring
4. Check the cam and crank sensor signals
5. Replace the cylinder 3 injector if timing stays over advanced
6. Clear the code and retest

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