← View Generic P1140 Guide Severity: Medium

🚗 Vehicle-Specific Guide

This guide is customized for your 2014 Nissan SENTRA

P1140: P1140: Fuel Pressure Regulator Control Circuit Low Input

on 2014 Nissan SENTRA

Fix Cost

$100 - $500

Parts & Labor

Difficulty

3/5

1-2 hours

DIY Possible?

❌ No

Pro recommended

Your Vehicle

2014 Nissan

SENTRA

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Important for 2014 Nissan SENTRA Owners

Before starting repairs, verify which engine your 2014 Nissan SENTRA has. Check your VIN or engine code to ensure you order the correct parts.

📖 What Does P1140 Mean on 2014 Nissan SENTRA?

The fuel pressure regulator control circuit low input is a manufacturer-specific code that indicates a problem with the fuel pressure regulator's control circuit. This code is specific to Ford vehicles and is related to the fuel system.

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Symptoms

• Rough idle
• poor engine performance
• decreased fuel efficiency
• engine stalling

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Common Causes

• Faulty fuel pressure regulator
• clogged fuel filter
• low fuel pressure
• faulty fuel pump

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How to Fix P1140 on 2014 Nissan SENTRA

Replace the fuel pressure regulator, clean or replace the fuel filter, check and adjust fuel pressure, replace the fuel pump if necessary

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Need Maintenance Info for Your SENTRA?

Get oil capacity, filter specs, and torque settings for your specific 2014 Nissan SENTRA.

View 2014 Nissan SENTRA Specs

Parts for 2014 Nissan SENTRA

Fuel Pressure Regulator Shop ↗ Fuel Filter Shop ↗

Essential Tool

Must Have

OBD2 Scanner

Read & clear codes on your 2014 Nissan SENTRA

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Related Diagnostic Codes

Other codes that may appear with P1140

P1138 Sequential Code

💡 Why These Codes Are Related:

• Similar Issues: Same root cause or component failure
• Related Problems: Often occur together due to system interactions
• Sequential Codes: Progressive failure stages or multiple sensors
• Same System: Components within the same automotive system