B2901 Mini Auto Trouble Code
B2901 Mini OBD2 specifically refers to the camshaft (cam) timing. In this case, if the cam timing is over-retarded, the engine light will be illluminated and the code will be set.
The problem is caused by the variable cylinder management system switching on and off during light throttle conditions, at cruising speeds, or when driving on flat roads. The constant switching causes excessive oil consumption and the trouble codes appear when oil pressure drops to the point where it can no longer operate the VCM system.
B2901 Mini Possible Solution:
Disconnected, dirty or fouled spark plugs are common causes for engines that won't start. Spark plugs typically need to be replaced every season or 25 hours of use. You should also check that the spark plug gap is set properly. If your spark plugs look good, problems with your ignition system can also preventing a spark. These can range from a faulty spark plug lead, shorted kill switch or flywheel key damage.
B2901 Mini Description For All Models :
- Mini 1000
- Mini 1275
- Mini Clubman
- Mini Cooper
- Mini Countryman
- Mini Countryman Ii
- Mini Ii
- Mini Iii
- Mini Iv
- Mini Mk
- Mini One
- Mini Paceman
- Mini Roadster
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B2901 Mini Trouble Repair :
With B2901 Mini code so start with the basics like a fuel pressure and fuel volume test. Or, you can start on the electrical side by doing a voltage drop on both the power and ground connections for the fuel pump. Some shops are reporting corrosion on the fuel pump ground that reduces power and fuel pressure. |
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