Back to 2017 Acura TLX

2017 ACURA TLX

2.4L I4AWDAUTOMATICgas
3 active safety recalls on this vehicle — view recalls
Repairs0Labor993Torque6285Fluid15DTC1868Battery0Maintenance0Recalls3
P1128moderate severityPowertrain

MAP Sensor Value Lower Than Expected

on 2017 Acura TLX 2.4L I4 · AWD

What this code means

The MAP sensor reading is lower than expected for current conditions.

Symptoms

  • CEL
  • Poor performance
  • Lean condition
  • Hesitation
  • Rough idle

Common causes

  • Vacuum leak
  • Faulty MAP sensor
  • Clogged vacuum line
  • Faulty PCM

Diagnostic steps

  1. Check for vacuum leaks
  2. Test MAP sensor
  3. Inspect vacuum line
  4. Compare readings

Repair notes

Fix vacuum leak or replace MAP sensor.

Other Powertrain codes on this vehicle

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