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P2187

Overview

Code

P2187

Code Type

P

Code Class

P0

System

Engine

Severity Level

Medium

Emissions Related

true

Drivability Impact

Minor

Diagnostic Protocol

OBD2

Freeze Frame Useful

true

Code Definition

Diagnostic trouble code P2187 indicates a lean condition at idle on Bank 1

Symptoms

Rough idle

Overview applies to this diagnostic code.

Affected Systems

On This Page

  • Code Definition

  • Symptoms

  • Affected Systems

  • Possible Causes

  • Diagnostic Steps

  • Drive Safety Notes​

More Resources

Fuel trim control at idle

Possible Causes

Vacuum leaks

Diagnostic Steps

1 Inspect intake system; 2 Monitor idle fuel trims

Drive Safety Notes

Prolonged lean idle may cause stalling

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