B0991 DTC For Mercedes Citan

Mercedes Citan Engine Specifications:
Engine Type :Single Cylinder Engine
Cylinder Type :Opposed Cylinder Engine
Engine Air Intake Process :Supercharged Engine

Your Mercedes Citan engine control system detects a problem, the computer stores the diagnostic trouble code B0991 in its memory. To figure out what is wrong with your vehicle you must first extract the B0991 DTC For Mercedes Citan.

To solve B0991 Mercedes Citan problem, you'll have to remove the muffler, crankcase and other components blocking the valve chamber. Then, remove the cylinder head bolts (label for easy re-installation) Adjust the jaws of the valve spring compressor until they touch the top and bottom of the valve chamber Push the tool in to compress the spring and tighten the jaws Remove the retainers and lift out the valves , compressors and springs

B0991 Mercedes Citan DTC Meaning

B Body Code - Problem is antilock brake system, electronic suspension and steering systems.
0 SAE - Generic
9 Transmission
9 TP Sensor Learn Not Complete
1 PCM Stack Overrun

While fuel economy was increased, acceleration was seriously compromised, and the loss of engine vacuum led to a dangerous loss of braking assist when the B0991 Mercedes Citan code system was in four-cylinder mode. In addition to these issues, while the company proposed a hydraulically controlled system that could be switched from within the car, the version they implemented had to be manually changed in the engine compartment using hand tools.

B0990 DTC (Previous DTC Code) ( Next DTC Code ) B0992 DTC
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The listed Mercedes models will give information about B0991 DTC.