← View Generic P1191 Guide Severity: Medium

🚗 Vehicle-Specific Guide

This guide is customized for your 2014 Nissan SENTRA

P1191: P1191: 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 P1191 Mean on 2014 Nissan SENTRA?

The fuel pressure regulator control circuit low input is detected in Ford vehicles. This code indicates a problem with the fuel pressure regulator or its associated wiring.

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Symptoms

• Rough idle
• decreased power
• poor fuel economy
• engine stalling

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Common Causes

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

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How to Fix P1191 on 2014 Nissan SENTRA

1. Check fuel pressure regulator for proper operation and clean or replace as needed. 2. Inspect and clean fuel filter. 3. Check fuel pump operation and replace if necessary. 4. Check wiring and connectors for damage or corrosion.

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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 ↗ Fuel Pump 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 P1191

P1189 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