new to audi. B6 A4 1.8t quattro problems
03-02-2015, 07:20 AM
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new to audi. B6 A4 1.8t quattro problems
Hey everyone. So I'm very happy to own an Audi I've Been wanting one for A while now and finally found a good deal. I got a 03 A4 1.8t Quattro With 134k+ miles. Everything is fine except for two things. The first one my break lamps are always on when the ignition switch is on and do not turn on/off when pressing break pedal. But if The ignition is off and apply pressure to break pedal they work fine????? I've read it could be as small of a fix as a blown fuse? Or break switch. The second one is speedometer not working and it gives me a speed sensor code. Is this a do it your self or should I just take it to a mechanic. Any feedback is appreciated. Thanks
03-08-2015, 11:50 PM
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Hi and welcome!
To turn your "break lights" back into brake lights, I would be looking to the globes in the rear light clusters. If a single filament globe has been put in the double filament location, it could cause issues (or even a blown globe which has shorted between the two filaments).
I doubt it's a blown fuse - that would prevent the circuit from working.
Your speed sensor for the speedo is usually located on the right hand side of the front diff/transaxle above the driveshaft flange IIRC (may be transmission dependent - correct me if I'm wrong people). Undoes with a Torx or Allen bolt - easy DIY once you locate it...
To turn your "break lights" back into brake lights, I would be looking to the globes in the rear light clusters. If a single filament globe has been put in the double filament location, it could cause issues (or even a blown globe which has shorted between the two filaments).
I doubt it's a blown fuse - that would prevent the circuit from working.
Your speed sensor for the speedo is usually located on the right hand side of the front diff/transaxle above the driveshaft flange IIRC (may be transmission dependent - correct me if I'm wrong people). Undoes with a Torx or Allen bolt - easy DIY once you locate it...
03-09-2015, 06:04 AM
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Thanks guys. so I purchased the speed sensor that goes on the driver side of the tranny above the cv axle but when I whent to replace it on my car the spot where it shows it should go had a cap semilar to the sensor but with no connectio port and when I took it out it was just a cap like a top off cap. I looked to see if I could find the harness but no where to be found? I might be looking at the wrong thing. But I did some research and on most pics it shows that same location. 
I attached pics of what I understand is the location and sensor. Again please correct me if I'm wrong. Thanks for your input.
I attached pics of what I understand is the location and sensor. Again please correct me if I'm wrong. Thanks for your input.
03-09-2015, 06:11 AM
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Which side is drivers side for you?
Have you checked the same location on the other side?
if you have enough posts, try asking in the B6 forum - you may get better responses.
Have you checked the same location on the other side?
if you have enough posts, try asking in the B6 forum - you may get better responses.
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