P1181 – Fuel Delivery System Pressure Too Low (Bank 2, Nissan)

Description

The ECM detected fuel pressure that is too low on Bank 2.

Need More Than Just the Fault Code?

A diagnostic scanner with live data, freeze-frame information and the right system access can help you investigate the actual cause before replacing parts.

Compare Diagnostic Scanners

Symptoms

Poor acceleration
Hesitation
Long crank time
Stalling
Check engine light

Causes

Weak fuel pump
Clogged fuel filter
Leaking injector
Fuel pressure regulator fault

Diagnosis

Measure fuel pressure
Inspect pump voltage
Check injectors
Scan live data

Repair

Replace fuel pump
Replace fuel filter
Repair wiring
Fix injector leaks