What does code P1128 mean on Acura vehicles?
The MAP sensor signal is lower than expected by the PCM.
OBD-II Code Acura
P1128 — Acura — MAP Signal Lower Than Expected
The MAP sensor signal is lower than expected by the PCM.
Common symptoms
- Loss of power
- lean air-fuel mixture.
Possible causes
- Vacuum leak
- faulty MAP sensor.
Initial recommendation
Check for vacuum leaks and MAP sensor.
Safety notice
This information is for guidance only. Brand-specific codes may vary by model, year, engine, transmission and vehicle configuration. It does not replace a physical inspection or diagnosis by a qualified mechanic. If the vehicle is unsafe to operate, avoid driving it and seek professional inspection.
Analyze this code with MecaOBD
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