← View Generic P1473 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

P1473: P1473: 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 P1473 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

The fuel pressure regulator control circuit low input indicates a problem with the fuel pressure regulator's input signal, which is typically monitored by the engine control module (ECM). This code is specific to Ford vehicles.
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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
  • • faulty fuel pressure regulator control circuit
  • • low fuel pressure
  • • clogged fuel filter
  • • faulty fuel pump
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How to Fix P1473 on 2020 Chevrolet SILVERADO 1500 PICKUP

Check fuel pressure regulator for proper operation, inspect fuel pressure regulator control circuit for damage or corrosion, replace fuel pressure regulator if necessary, check fuel filter for blockage and replace if necessary, check fuel pump for proper operation and replace if necessary

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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 P1473

P1471 Sequential Code

P1471: Fuel Pressure Regulator Control Circuit Low

Medium
P1472 Sequential Code

P1472: Fuel Pressure Regulator Control Circuit Low Input

Medium
P1474 Sequential Code

P1474: Fuel Pressure Regulator Control Circuit Low

Medium
P1475 Sequential Code

P1475: Fuel Pressure Regulator Control Circuit Malfunction

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