2.0L turbo charged engines may develop a hesitation on acceleration and/or illumination of the Check Engine Light due to a failed high pressure fuel pump or a worn camshaft follower or camshaft. Our technicians tell us that whenever the high pressure fuel pump is replaced the camshaft and the follower should be checked for wear. The camshaft lobe pushes on the follower to operate the high pressure fuel pump. Frequent oil changes and use of synthetic oil may help with this wear issue.
Problems for specific Audi models:
Car problem reports
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Most reported Audi problems
Break light switch becomes inoperable, causing ABS and No traction control light come on, causing brake lights to stay on even with the engine shut off and car locked (as if someone is stepping on the brake pedal). Problem corrected by replacing the brake light switch (located in the driver's side compartment, above the brake pedal).
When try to re-start engine when the engine is above 200F, it cannot be started. You have to wait till engine cools down under 200F to start it again. The problem is the bad coolant sensor, can be replaced easily.
A plugged heater core slowed the fluid flow to a level that seriously affected the heaters ability to provide warm air in the cabin. The entire dash, console, and steering has to be removed to R&R the heater core.
Backside of steering there is a digital display which have all meters etc. When I put the key and start the car some times I am finding car symbol. In that car symbol front (bonnet) shows red blinking. Please let me know what is the problem