Back to 2011 Jeep Wrangler

2011 JEEP WRANGLER

3.8L V64WDAUTOMATICgas
11 active safety recalls on this vehicle — view recalls
Repairs0Labor505Torque4981Fluid9DTC894Battery0Maintenance0Recalls11
P0100moderate severityPowertrain

Mass Air Flow (MAF) Circuit

on 2011 Jeep Wrangler 3.8L V6 · 4WD

What this code means

The PCM detected a general malfunction in the Mass Air Flow sensor circuit.

Symptoms

  • Check Engine Light
  • Poor acceleration
  • Rough idle
  • Engine stalling
  • Black smoke

Common causes

  • Faulty MAF sensor
  • Dirty MAF sensor element
  • Air leak after MAF
  • Wiring issue
  • Damaged air filter

Diagnostic steps

  1. Inspect MAF sensor for contamination
  2. Check for air leaks between MAF and throttle body
  3. Test MAF signal with scan tool
  4. Inspect wiring and connector
  5. Try cleaning MAF with approved cleaner

Repair notes

Clean MAF sensor with electronics cleaner. Replace if cleaning does not resolve.

Other Powertrain codes on this vehicle

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