Engine-Codes - Gmc - P1101 GMC

P1101 GMC Code - Intake Air Flow System Performance

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3
Table of contents

|P1101 GMC code possible causes

  • Faulty Mass Air Flow (MAF) Sensor
  • Mass Air Flow Sensor harness is open or shorted
  • Mass Air Flow Sensor circuit poor electrical connection

|How is the P1101 GMC 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 P1101 GMC code

Labor: 1.0

The cost to diagnose the P1101 GMC code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.

|What are P1101 GMC code possible symptoms?

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

|What is P1101 GMC code meaning?

The Mass Air Flow (MAF) Sensor is integrated with the Intake Air Temperature (IAT) sensor. The MAF sensor is an air flow meter that measures the amount of air entering the engine. The MAF sensor used on this engine is a voltage based sensor. The greater the airflow, the greater the voltage signal. The Engine Control Module (ECM) uses the MAF sensor signal to provide the correct fuel delivery for all engine speeds and loads. The Diagnostic Trouble Code (DTC) will set if the ECM detects that the measured MAF is not within a calibrated range of the model for greater than 2 seconds.

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