Engine-Codes - Chevrolet - P140B CHEVROLET

P140B CHEVROLET - Exhaust Gas Recirculation Slow Response Increasing Flow

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What is this?
Table of contents

P140B CHEVROLET Possible Causes

  • Faulty Exhaust Gas Recirculation Valve
  • Exhaust Gas Recirculation Valve harness is open or shorted
  • Exhaust Gas Recirculation Valve circuit poor electrical connection

How is the P140B CHEVROLET code repair?

Start by checking the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.

What is the cost to diagnose the P140B CHEVROLET code

Labor: 1.0

The cost to diagnose the P140B CHEVROLET code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.
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Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)


The Powertrain Control Module (PCM) monitors the Exhaust Gas Recirculation Valve. The PCM sets the OBDII code when the Exhaust Gas Recirculation Valve is not to factory specifications.

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