P1838 DTC For Audi A4

Audi A4 Engine Specifications:
Engine Type :Single Cylinder Engine
Cylinder Type :Opposed Cylinder Engine
Engine Air Intake Process :Supercharged Engine

Your Audi A4 engine control system detects a problem, the computer stores the diagnostic trouble code P1838 in its memory. To figure out what is wrong with your vehicle you must first extract the P1838 DTC For Audi A4.

To solve P1838 Audi A4 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

P1838 Audi A4 DTC Meaning

P Powertrain Code - Problem is related engine, transmission and emissions systems.
1 MFG - Manufacturer Specific
8 Accelerator Pedal Position (APP) Sensor 1 Performance
3 Low Coolant Circuit
8 Park/Neutral Postion (PNP) Switch Circuit Engine Torque Signal Circuit

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 P1838 Audi A4 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.

P1837 DTC (Previous DTC Code) ( Next DTC Code ) P1839 DTC
You can also check other Audi car models :
The listed Audi models will give information about P1838 DTC.