What does the P0108 and P0456 code for a 2001 Dodge Grand Caravan 3.8L mean?
P0108 MAP sensor voltage too high
P0456 EVAP leak monitor small leak detected
The MAP sensor is the manifold absolute sensor, whenever there is a code condition that is circuit high voltage, this represenst a disconnection at the sensor check the connection and the harness of the MAP sensor As for P0456 inspect the fuel cap which is more of the cause for a small evap leak, replace if the fuel cap if the seal or seal are worn
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