← View Generic P1049 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2014 Nissan SENTRA

P1049: P1049: Fuel Pressure Regulator Control Circuit Low Input

on 2014 Nissan SENTRA

Fix Cost
$200 - $500
Parts & Labor
Difficulty
3/5
1-2 hours
DIY Possible?
❌ No
Pro recommended
Your Vehicle
2014 Nissan
SENTRA
⚠️

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 P1049 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 control circuit. This code is specific to Ford vehicles and indicates that the fuel pressure regulator is not receiving the correct input signal from the engine control module.
⚠️

Symptoms

  • • Poor engine performance
  • • rough idle
  • • decreased fuel efficiency
  • • and a check engine light
🔍

Common Causes

  • • Faulty fuel pressure regulator
  • • faulty fuel pressure regulator control circuit
  • • or a problem with the engine control module
🛠️

How to Fix P1049 on 2014 Nissan SENTRA

Replace the fuel pressure regulator, check and clean the fuel pressure regulator control circuit, and update the engine control module software if necessary

🔧

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 Pressure Regulator Control Circuit Shop ↗

Essential Tool

Must Have

OBD2 Scanner

Read & clear codes on your 2014 Nissan SENTRA

Shop Scanners ↗
🔗

Related Diagnostic Codes

Other codes that may appear with P1049

P1047 Sequential Code

P1047: Fuel Pressure Regulator Control Circuit Low Input

Medium
P1048 Sequential Code

P1048: Fuel Pressure Regulator Control Circuit Low Input

Medium
P1050 Sequential Code

P1050: Fuel Pressure Regulator Control Circuit Low Input

Medium
P1051 Sequential Code

P1051: Fuel Pressure Regulator Control Circuit Low Input

Medium

💡 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