Audi A4 Quattro Questions

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I have a 2006 Audi A4 2.0 t and for some reason the turbo does not work. It also has a sudden lag while driving and does not go past 80 mph. Any ideas what's wrong with it?
I changed the timing belt, heads, and head gaskets. The car starts up and runs, but now its acting like the transmission is slipping. I've never had any problems with the transmission in the past, and no fluid leaked ...
When backing out of the garage I noticed the smell of electronics burning and saw smoke rise from the shifter area. After this happenend I lost the read out of what position the transmission is in on the gauge cluster...
When it takes off it's fine,but when the rpm's are up to the point to shift, it doesn't shift to the next gear.
My car is automatic transmission. I put it in drive,but it won't shift to the next gear.
Audi was driving fine when I put into reverse to park an it would only go back about 1 foot before it felt like something locked up. Put into 1st gear samething. I finally made it go forward to get it parked. Put into...
Less that 2 weeks after purchase, glove compartment door falls off ( it was glued on), key no longer worked on trunk , key or sensor ( I crawl in to open latch to open trunk) orange oil light came on, called used sale...
it was in limp mode, only shifted manually then one day wont go into any gear. have 2 codes p0717 and po 722. speed sensor and transmission sensor. could it just be one of these sensors? I was told tcm is bad if it wo...
But when in drive it will run at one and a half rpm's when not even pushing on the gas pedal
My car used to change gear very quickly but i will like to know if a bad high pressure fuel pump can affect the transmission performance
I was told that's what's wrong with my car, brand-new battery . I tried to start it this morning and absolutely nothing but all the lights were on the radio was on and everything was good but it wouldn't even click wo...
How much does it cost to update airbags?
the first thing to go with my left low beam the HID I replaced it but it will does not work now the driving lights on the right side of the car won't come on I change the bulbs my turn signals work but the driving lig...
I would like to read other owners problems with there 2002 Audis, please........
The engine loses about 1/2 power for about 10 to 20 seconds then picks up again. This happens at irregular times, sometimes I can drive 100 to 150 klm before it happens sometimes 30 klm. I was told it was a faulty inj...
Automatic transmission will not go in reverse. 153356 miles all other gears work fine. Audi 2001 A4 Quatro. Readout on dash reports "OK" when activated.
Sometimes when I lock with fob it locks but no beep sounds. Then when I unlock the passenger door won't unlock. Or all will unlock but driver side. It's very random. Sometimes it works sometimes it doesn't. What is th...
Car has 86,000 miles, unsure if tranny has ever been flushed or filled. Planning to flush, but had to order drain/fill plug tools from the outside world (Hawaii headaches).Periodically won't go into gear when in rever...
Limited heat, must set Control Head setting to 85F, HI or defrost to get limited heat output; New water pump last year, new reservoir as well, AC control head rebuilt and perfect; fan controls working properly; attemp...