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P0642

Overview

Code

P0642

Code Type

P

Code Class

P0

System

Engine

Severity Level

High

Emissions Related

true

Drivability Impact

Major

Diagnostic Protocol

OBD2

Freeze Frame Useful

true

Code Definition

Diagnostic trouble code P0642 indicates a malfunction in the throttle position sensor circuit

Symptoms

Rough idle; Check Engine Light

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

Throttle position sensor

Possible Causes

Faulty throttle position sensor; Wiring issues

Diagnostic Steps

1 Inspect throttle position sensor 2 Test sensor output

Drive Safety Notes

Throttle control issues can impair engine response

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