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.
2013 Infiniti M56 BaseFACTORY OEM SERVICE PROCEDURE
High Fuel Pressure Check
NOTE:
Since the fuel pressure gauge kit cannot be connected, follow the method shown below to check high fuel pressure.
WITH CONSULT
- Start engine.
- Check "FUEL PRES SEN V" in "DATA MONITOR" mode with CONSULT.
Monitor Item Condition Values/Status FUEL PRES SEN V Idle 820 - 1, 220 mV Revving engine from idle to 4, 000 rpm quickly 820 - 3, 060 mV
WITHOUT CONSULT
- Start engine.
- Check the voltage between ECM harness connector and ground.
ECM Condition Voltage + - Connector Terminal Connector Terminal F110 31 F110 40 [Engine is running] - Warm-up condition
- Idle speed
0.82 - 1, 22 V [Engine is running] - Warm-up condition
- Revving engine from idle to 4, 000 rpm quickly
0.82 - 3, 06 V
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
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.
Rather have a pro handle this?
A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.
Comes to youSame-day available12-month warranty
Get a Free QuoteNo obligation. See pricing before you book.