P12A5
Absolute Pressure Sensor Intake Manifold Plausibility Intake Manifold Pressure Too High
P12A5 is an OBD-II diagnostic trouble code meaning: Absolute Pressure Sensor Intake Manifold Plausibility Intake Manifold Pressure Too High. Common causes: map sensor malfunction, dirty or clogged intake manifold. Estimated repair cost: $17–72.
Symptoms
- Engine power drop
- Increased fuel consumption
- Rough engine idling
- Check Engine Light Illuminates
- Possible misfires
Causes
- MAP sensor malfunction
- Dirty or clogged intake manifold
- Problems with the exhaust gas recirculation (EGR) system
- Turbocharger malfunction (if installed)
- Depressurization of the intake tract
How to Fix
- Check the MAP sensor readings with a scanner
- Inspect the intake manifold for contamination
- Check the EGR system for proper operation
- Diagnose the turbocharger (if installed)
- Check the tightness of the intake tract
Related codes
FAQ
What does the P12A5 code mean?
P12A5 is an OBD-II diagnostic trouble code that indicates: Absolute Pressure Sensor Intake Manifold Plausibility Intake Manifold Pressure Too High
What causes a P12A5 error code?
The most common causes of P12A5 include: MAP sensor malfunction; Dirty or clogged intake manifold; Problems with the exhaust gas recirculation (EGR) system; Turbocharger malfunction (if installed).
How do I fix a P12A5 diagnostic trouble code?
To fix P12A5: Check the MAP sensor readings with a scanner. Inspect the intake manifold for contamination. Check the EGR system for proper operation. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P12A5?
Limited driving only, diagnose soon
How much does it cost to fix P12A5?
The estimated repair cost for P12A5 is $17–72. Actual cost depends on your vehicle, location, and labor rates.
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