← View Generic P1133 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

P1133: P1133: Fuel Pressure Regulator Control Circuit Low Input

on 2020 Chevrolet SILVERADO 1500 PICKUP

Fix Cost
$100 - $500
Parts & Labor
Difficulty
3/5
1-2 hours
DIY Possible?
❌ No
Pro recommended
Your Vehicle
2020 Chevrolet
SILVERADO 1500 PICKUP
⚠️

Important for 2020 Chevrolet SILVERADO 1500 PICKUP Owners

Before starting repairs, verify which engine your 2020 Chevrolet SILVERADO 1500 PICKUP has. Check your VIN or engine code to ensure you order the correct parts.

📖 What Does P1133 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

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. It means that the fuel pressure regulator is not receiving the correct input signal from the engine control module, which can cause the fuel pressure to be too low.
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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
  • • faulty fuel pressure regulator control circuit
  • • clogged fuel filter
  • • faulty engine control module
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How to Fix P1133 on 2020 Chevrolet SILVERADO 1500 PICKUP

1. Check the fuel pressure regulator and replace it if necessary. 2. Check the fuel pressure regulator control circuit and repair or replace it if necessary. 3. Check the fuel filter and replace it if necessary. 4. Check the engine control module and reprogram it if necessary.

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Need Maintenance Info for Your SILVERADO 1500 PICKUP?

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Parts for 2020 Chevrolet SILVERADO 1500 PICKUP

Fuel Pressure Regulator Shop ↗ Fuel Pressure Regulator Control Circuit Shop ↗

Essential Tool

Must Have

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Related Diagnostic Codes

Other codes that may appear with P1133

P1131 Sequential Code

P1131: Fuel Pressure Regulator Control Circuit Low Input

Medium
P1132 Sequential Code

P1132: Fuel Pressure Regulator Control Circuit Low Input

Medium
P1134 Sequential Code

P1134: Fuel Pressure Regulator Control Circuit Low Input

Medium
P1135 Sequential Code

P1135: 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