OBD Guide

P2428

Exhaust Gas Temperature Too High Bank 1

P2428 is an OBD-II diagnostic trouble code meaning: Exhaust Gas Temperature Too High Bank 1. Common causes: exhaust gas temperature sensor malfunction, problems with the catalytic converter. Estimated repair cost: $17โ€“89.

Severity
๐Ÿ”ด High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17โ€“89 (est.)

Symptoms

  • Check Engine light comes on
  • Reduced engine power
  • Increased fuel consumption
  • Unusual odors from the exhaust system
  • Exhaust system overheating

Causes

  • Exhaust gas temperature sensor malfunction
  • Problems with the catalytic converter
  • Lean fuel mixture
  • Ignition system malfunction
  • Problems with the exhaust gas recirculation (EGR) system

How to Fix

  1. Check the exhaust gas temperature sensor and its circuit
  2. Diagnose the condition of the catalytic converter
  3. Check the fuel system for leaks or malfunctions
  4. Check the ignition system for misfires
  5. Diagnose the EGR system

Related codes

Error P2428 by Vehicle Brand

FAQ

What does the P2428 code mean?

P2428 is an OBD-II diagnostic trouble code that indicates: Exhaust Gas Temperature Too High Bank 1

What causes a P2428 error code?

The most common causes of P2428 include: Exhaust gas temperature sensor malfunction; Problems with the catalytic converter; Lean fuel mixture; Ignition system malfunction.

How do I fix a P2428 diagnostic trouble code?

To fix P2428: Check the exhaust gas temperature sensor and its circuit. Diagnose the condition of the catalytic converter. Check the fuel system for leaks or malfunctions. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2428?

Limited driving only, diagnose soon

How much does it cost to fix P2428?

The estimated repair cost for P2428 is $17โ€“89. Actual cost depends on your vehicle, location, and labor rates.

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