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U1212 Engine Diagnostic Code For Bmw 335is

Sample U1212 Engine

U1212 engine code for Bmw 335is provides below are generic codes that may not apply to all vehicles. Bmw 335is manufacturer uses specific Bmw 335is diagnostic code that are different from the codes shown below. Foreign vehicles may also use DTC codes different from the generic DTC codes.

To solve U1212 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

U1212 Diagnostic Trouble Code For Bmw 335is Meaning

U 1 2 12
Network Problem MFG - Manufacturer Specific Fuel And Air Metering (Injector Circuit Malfunctions Only) 12 Engine Fault Code
Bmw 335is Car Engine How to fix U1212 engine diagnostic code For Bmw 335is ?

Starting letter U diagnostic code shows that there are problems in climate control system, lighting, airbags, etc..
If your "Check Engine Light" is on, it means your vehicle has one or more OBD II Trouble Codes so you have to check your engine diagnostic code tool.

If your vehicle is an older model with a non-electronic Fuel And Air Metering (Injector Circuit Malfunctions Only), you can check the distributor cap to see whether the spark is getting from there to the coil and on to the spark plugs.


Don't forget ! If your U1212 engine code not resolved on and there are trouble codes in your computer, your vehicle will not pass an OBD 2 emissions test. The light must be off and there must be no codes in memory to pass an OBD 2 emissions test. In addition, all of the OBD II self-monitors that check for faults must have run and completed without finding any further problems to pass the test.