P2A0E

Manifold Absolute Pressure Sensor B Circuit Intermittent/Erratic

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–56 (est.)

Symptoms

Unstable engine idling
Reduced engine power
Increased fuel consumption
Dips during acceleration
Check Engine Light Illuminates

Causes

MAP B sensor malfunction
Open or short circuit in the sensor circuit
Oxidized or damaged connector pins
Poor grounding of the sensor circuit
Mechanical damage to the wiring harness

How to Fix

Check the integrity of the wiring to the MAP B sensor
Clean sensor connector contacts
Check the voltage and reference voltage in the sensor circuit
Replace MAP B sensor if necessary
Check and replace wiring harness if necessary

Related codes

P0106 P0107 P0108