AutoCodes - OBDII Code List - P1101 2002 FORD F150

P1101 2002 FORD F150 - Mass Air Flow Sensor Out of Self-Test Range

Repair Importance Level: 3/3
Repair Difficulty Level: 2/3    What is this?
Table of contents

P1101 2002 FORD F150 Possible Causes

  • Faulty Mass Air Flow Sensor
  • Air leak before or after sensor
  • Mass Air Flow Sensor harness is open or shorted
  • Mass Air Flow Sensor circuit poor electrical connection

How do I fix code P1101 2002 FORD F150?

Check 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.

Tech Notes

The MAF sensor circuit is monitored by the PCM for an out of range air flow (or voltage) input. If during key ON engine OFF the air flow voltage signal is greater than 0.27 volts the test fails. Likewise, if during key ON engine running, an air flow voltage signal is not within 0.46 volt to 2.44 volts, the test fails.

Cost of diagnosing the P1101 2002 FORD F150 code

Labor: 1.0

The cost of diagnosing the P1101 2002 FORD F150 code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

When is the code detected?

The Engine Control Module (ECM) detected a Mass Air Flow (MAF) sensor signal above or below calibrated limit

Possible Symptoms

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

P1101 2002 Ford F150 Description

The Mass Air Flow (MAF sensor circuit is monitored by the Powertrain Control Module (PCM) for an out of range air flow (or voltage) input. If during key ON engine OFF the air flow voltage signal is greater than 0.27 volts the test fails. Likewise, if during key ON engine running, an air flow voltage signal is not within 0.46 volt to 2.44 volts, the test fails.
OBDII Code P1101 2002 Ford F150 - Mass Air Flow Sensor Out of Self-Test Range  - AutoCodes.com

P1101 2002 FORD F150 More Information

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