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Audi A4 B7 2006 - P0300 Fault: Smooth Drive Below 2000 RPM, Roughness and Choking Above 2000 RPM

Model: Audi A4 B7 Fault Code: P0300 Posted: 2015-02-02 20:19

I own an Audi A4 B7 from 2006 and am experiencing a P0300 fault. The vehicle runs smoothly below 2000 RPM, but once it reaches this speed, the drive becomes slightly rough and the engine starts to choke. I'm looking for reliable troubleshooting steps or common causes related to this issue. Any insights would be greatly appreciated.

Related fault codes
P0300
Comments (1)
Anonymous 2015-02-03 09:23

Possible causes include air intake system issues (such as a clogged air filter), low fuel pressure, or high exhaust backpressure. These factors can contribute to misfires detected by the P0300 code and affect engine performance at higher RPMs.