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2001 Volkswagen Beetle GLS 2.0L MIL Lamp on
Posted to European Driveability on 1/13/2012 5 Replies

We have a vehicle that keeps coming back with same two codes P1128,P1255. We have already changed the mass air flow sensor and the coolant temp sensor and vehicle still sets codes. No driveability issues and both sensors are working properly. We have also done...

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car Vehicle Data

2001 Volkswagen Beetle GLS

VIN 3VWCT21CX1
Engine2.0 L / 4 cyl / GAS
Trans5-speed Standard
DeliveryFuel Injection / sefi
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P1128MAP Sensor Signal Lower Than Expected
P1255coolant temp sensor short with ground
Message Closed

car Vehicle Data

2001 Volkswagen Beetle GLS

VIN 3VWCT21CX1
Engine2.0 L / 4 cyl / GAS
Trans5-speed Standard
DeliveryFuel Injection / sefi
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P1128MAP Sensor Signal Lower Than Expected
P1255coolant temp sensor short with ground