AutoCodes – Infiniti – P0088 Infiniti

P0088 Infiniti Code - High Fuel Pressure Too High

Quick Answer

The high pressure fuel pump is installed at the front of the engine bank 2 side and activated by the camshaft. Common causes include Fualty High Pressure Fuel Pump, Faulty Low Pressure Fuel Pump, High Pressure Fuel Pump harness is open or shorted. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: P0088 Infiniti indicates High Fuel Pressure Too High.
Common causes: Common causes include Fualty High Pressure Fuel Pump, Faulty Low Pressure Fuel Pump, High Pressure Fuel Pump harness is open or shorted.
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

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Code Popularity 7,966

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Aug 01, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
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Code P0088 Infiniti Description

The high pressure fuel pump is installed at the front of the engine bank 2 side and activated by the camshaft. Engine Control Module (ECM) controls the high pressure fuel pump control solenoid valve built into the high pressure fuel pump and adjusts the amount of discharge by changing the suction timing of the low pressure fuel.

OBDII Code P0088 Infiniti - High Fuel Pressure Too High - AutoCodes.com — P0088 Infiniti Code - High Fuel Pressure Too High

What does this mean?

What are the Possible Causes of the DTC P0088 Infiniti?

Fualty High Pressure Fuel Pump
Faulty Low Pressure Fuel Pump
High Pressure Fuel Pump harness is open or shorted
High Pressure Fuel Pump circuit poor electrical connection
Low Pressure Fuel Pump harness is open or shorted
Low Pressure Fuel Pump circuit poor electrical connection

How to Fix the DTC P0088 Infiniti?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0088 Infiniti code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P0088 Infiniti code?

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.