← View Generic P0158 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

P0158: P0158: Fuel Trim Malfunction (Bank 2 Sensor 2)

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 P0158 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

The fuel trim system has detected a malfunction in the fuel delivery and air intake system on bank 2, sensor 2. This can cause the engine to run rich or lean, leading to decreased performance and fuel efficiency.
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Symptoms

  • • Poor engine performance
  • • decreased fuel efficiency
  • • rough idle
  • • stalling
  • • and decreased power
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Common Causes

  • • Faulty fuel trim sensor
  • • clogged fuel filter
  • • faulty fuel pump
  • • vacuum leaks
  • • and faulty oxygen sensor
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How to Fix P0158 on 2020 Chevrolet SILVERADO 1500 PICKUP

1. Check and clean the fuel filter. 2. Check and replace the fuel pump. 3. Check and replace the oxygen sensor. 4. Check for vacuum leaks and repair as needed. 5. Check and replace the fuel trim sensor.

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Need Maintenance Info for Your SILVERADO 1500 PICKUP?

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Parts for 2020 Chevrolet SILVERADO 1500 PICKUP

Fuel filter Shop ↗ Fuel pump Shop ↗ Oxygen sensor Shop ↗ Fuel trim sensor Shop ↗

Essential Tool

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Related Diagnostic Codes

Other codes that may appear with P0158

P0156 Sequential Code

P0156: Fuel Trim Malfunction Bank 2 Sensor 2

Medium
P0157 Sequential Code

P0157: Fuel Heated Oxygen Sensor (Bank 2 Sensor 2) Circuit Low Voltage

Medium
P0159 Sequential Code

P0159: Fuel Trim Malfunction Bank 2 Sensor 2

Medium
P0160 Sequential Code

P0160: Fuel Pressure Regulator 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