← View Generic P1129 Guide Severity: Medium

🚗 Vehicle-Specific Guide

This guide is customized for your 2014 Nissan SENTRA

P1129: P1129: Fuel Pressure Regulator Control Circuit Low Input

on 2014 Nissan SENTRA

Fix Cost

$150 - $300

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 P1129 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
• poor engine performance
• decreased fuel efficiency
• engine stalling

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Common Causes

• Faulty fuel pressure regulator
• clogged fuel filter
• low fuel pressure
• wiring issues

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How to Fix P1129 on 2014 Nissan SENTRA

Replace the fuel pressure regulator, check and clean the fuel filter, inspect and repair wiring issues

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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 P1129

P1127 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