Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2009 Chrysler PT Cruiser Base, AutomaticFACTORY OEM SERVICE PROCEDURE
INJECTOR(S), Fuel: Operation: Operation: Notes
The injector operation can be subdivided into four operating states with the engine running and the high-pressure pump generating pressure:
- Injector closed (with high pressure applied)
- Injector opens (start of injection)
- Injector opened fully
- Injector closes (end of injection)
| 1 - INJECTOR CLOSED (AT-REST STATUS) |
| 2 - ELECTRICAL CONNECTION |
| 3 - TRIGGERING ELEMENT (SOLENOID VALVE) |
| 4 - FUEL INLET (HIGH PRESSURE) FROM THE RAIL |
| 5 - VALVE BALL |
| 6 - BLEED ORIFICE |
| 7 - FEED ORIFICE |
| 8 - VALVE CONTROL CHAMBER |
| 9 - VALVE CONTROL PLUNGER |
| 10 - FEED PASSAGE TO THE NOZZLE |
| 11 - NOZZLE NEEDLE |
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.