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Home/DTC Codes/Ford/Excursion/2000-2003 7.3L V8 Power Stroke Diesel/P1102
P1102

MAF Sensor In Range But Lower Than Expected

2000-2003 Ford Excursion 7.3L V8 Power Stroke Diesel

Moderate SeverityPowertrain

Description

The MAF sensor is providing a signal that is within the valid voltage range but consistently lower than the PCM expects for current conditions. This typically indicates reduced airflow detection.

Symptoms

  • Check Engine Light
  • Lean running condition
  • Poor acceleration
  • Rough idle

Common Causes

  • Dirty MAF sensor element
  • Restricted air filter
  • Intake air leak downstream of MAF
  • MAF sensor degradation

Diagnostic Steps

  1. Clean MAF sensor with approved cleaner
  2. Replace air filter
  3. Inspect intake for leaks
  4. Compare MAF readings to specifications

Repair Notes

Clean MAF sensor. Replace air filter. Repair intake leaks.

Related Codes

P1100MAF Sensor IntermittentP1100MAF Sensor IntermittentP1100MAF Sensor IntermittentP1100BARO Sensor CircuitP1100MAP Sensor Circuit MalfunctionP1100MAP Sensor Circuit MalfunctionP1100MAP Sensor Circuit MalfunctionP1100BARO Sensor CircuitP1100Starter Switch Circuit MalfunctionP1100Mass Air Flow Sensor Circuit IntermittentP1100BARO Sensor CircuitP1101Intake Airflow System PerformanceP1101Intake Airflow System PerformanceP1101Intake Airflow System PerformanceP1101Intake Airflow System PerformanceP1101Intake Airflow System PerformanceP1101Intake Airflow System PerformanceP1101MAF Sensor Out of Self-Test RangeP1101MAF Sensor Out of Self-Test RangeP1101Intake Airflow System PerformanceP1101Intake Airflow System PerformanceP1101Neutral Position Switch Circuit MalfunctionP1101MAF Sensor Out of Self-Test RangeP1101MAF Sensor Out of Self-Test RangeP1103MAF Sensor In Range But Higher Than ExpectedP1103MAF Sensor In Range But Higher Than ExpectedP1103MAF Sensor In Range But Higher Than Expected

Other Powertrain Codes

P1102 on Other Vehicles

Ford Aerostar

1990-1997 3.0L V6

Ford Aerostar

1990-1997 4.0L V6

Ford Bronco

1990-1996 4.9L I6 300

Ford Bronco

1990-1996 5.0L V8 302 Windsor

Ford Bronco

1990-1996 5.8L V8 351 Windsor

Ford Bronco

2021-2024 2.3L I4 EcoBoost

Ford Bronco

2021-2024 2.7L V6 EcoBoost

Ford Bronco Raptor

2022-2024 3.0L V6 EcoBoost

Common Questions

What does code P1102 mean on a 2000-2003 Ford Excursion?

P1102 stands for "MAF Sensor In Range But Lower Than Expected". The MAF sensor is providing a signal that is within the valid voltage range but consistently lower than the PCM expects for current conditions. This typically indicates reduced airflow detection.

What are the symptoms of P1102 on a Ford Excursion?

Common symptoms of P1102 include: Check Engine Light, Lean running condition, Poor acceleration, Rough idle.

What causes P1102 on a 2000-2003 Ford Excursion?

Common causes of P1102 include: Dirty MAF sensor element, Restricted air filter, Intake air leak downstream of MAF, MAF sensor degradation.

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