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.
High Fuel Pressure Check
Since the fuel pressure gauge kit cannot be connected, follow the method shown below to check high fuel pressure.
With CONSULTÂ
- Start engine.
- Check "FUEL PRES SEN V" in "Data Monitor" mode of "ENGINE".
Monitor Item Condition Values/Status FUEL PRES SEN V - Engine: After warming up
- Selector lever: P or N
- Air conditioner switch: OFF
- No load
Idle 1.120 - 1.310 V 2, 000 rpm 1.215 - 1.425 V
Without CONSULTÂ
- Start engine.
- Check fuel rail pressure sensor voltage.
| ECM | Condition | Voltage | ||
|---|---|---|---|---|
| Connector | + | - | ||
| Terminal | ||||
| F78 | 53 | 83 | [Engine is running]
|
1.12 - 1.31 V |
[Engine is running]
|
1.22 - 1.42 V | |||
Use the Manual With the Right Hardware
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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.
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