Engine-Codes - Land-rover - P0102 LAND-ROVER

P0102 LAND-ROVER Code - Mass or Volume Air Flow Circuit Low Input

Repair Importance Level: 3/3
Repair Difficulty Level: 2/3
Table of contents

|P0102 LAND-ROVER code possible causes

  • Faulty mass air flow sensor
  • Intake air leaks
  • Dirty mass air flow sensor
  • Dirty mass air filter
  • Mass air flow sensor harness is open or shorted
  • Mass air flow sensor circuit poor electrical connection

|How is the P0102 LAND-ROVER 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.

|P0102 LAND-ROVER code tech notes

Before replacing the mass air flow sensor, try replacing the air filter and cleaning the air flow sensor with low compress air or mass air flow sensor cleaner. Reset code and drive vehicle. If the code comes back, it may be necessary to replaced the mass air flow sensor.

|What is the cost to diagnose the P0102 LAND-ROVER code

Labor: 1.0

The cost to diagnose the P0102 LAND-ROVER 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.

|When is the P0102 LAND-ROVER code detected?

An excessively low voltage from the sensor is sent to Engine Control Module (ECM).

|What are P0102 LAND-ROVER code possible symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)
  • Engine stall
  • Engine running rough
  • Excessive fuel consumption
  • Excessive smoke

|What is P0102 LAND-ROVER code meaning?

The Mass Air Flow (MAF) sensor is placed in the stream of intake air. It measures the intake flow rate by measuring a part of the entire intake flow. It consists of a hot film that is supplied with electric current from the Engine Control Module (ECM).
The temperature of the hot film is controlled by the ECM a certain amount. The heat generated by the hot film is reduced as the intake air flows around it. The more air, the greater the heat loss. Therefore, the ECM must supply more electric current to maintain the temperature of the hot film as air flow increases. The ECM detects the air flow by means of this current change.

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