← View Generic P1115 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2021 Honda PASSPORT

P1115: P1115: Fuel Pressure Regulator Control Circuit Low Input

on 2021 Honda PASSPORT

Fix Cost
$100 - $500
Parts & Labor
Difficulty
3/5
1-2 hours
DIY Possible?
❌ No
Pro recommended
Your Vehicle
2021 Honda
PASSPORT
⚠️

Important for 2021 Honda PASSPORT Owners

Before starting repairs, verify which engine your 2021 Honda PASSPORT has. Check your VIN or engine code to ensure you order the correct parts.

📖 What Does P1115 Mean on 2021 Honda PASSPORT?

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. It may cause issues with engine performance, fuel efficiency, and potentially lead to engine damage if left unaddressed.
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Symptoms

  • • Poor engine performance
  • • rough idle
  • • 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 P1115 on 2021 Honda PASSPORT

1. Check and clean the fuel filter. 2. Inspect the fuel pressure regulator for signs of damage or malfunction. 3. Check the fuel pressure using a scan tool or gauge. 4. Replace the fuel pressure regulator if necessary. 5. Check the fuel pump for proper operation.

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Need Maintenance Info for Your PASSPORT?

Get oil capacity, filter specs, and torque settings for your specific 2021 Honda PASSPORT.

View 2021 Honda PASSPORT Specs

Parts for 2021 Honda PASSPORT

Fuel pressure regulator Shop ↗ Fuel filter Shop ↗

Essential Tool

Must Have

OBD2 Scanner

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Related Diagnostic Codes

Other codes that may appear with P1115

P1113 Sequential Code

P1113: Fuel Pressure Regulator Control Circuit Low Input

Medium
P1114 Sequential Code

P1114: Fuel Pressure Regulator Control Circuit Low Input

Medium
P1116 Sequential Code

P1116: Fuel Pressure Regulator Control Circuit Low Input

Medium
P1117 Sequential Code

P1117: 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