7701 Location Lathrop, CA My Photo Gallery: 0 FAQ: Common Problems & Mechanical-Electrical Differences of the B6/B7 S4 Guest-only advertisement. Register or Log In now! Here are some mechanical facts and common problems we have come across (we will edit this post as we find time to add more info and as we come accross new discoveries.
An issue that has come up with my car now is this secondary air pump. I am getting code P0411 and says incorrect flow detected. I recently replaced the air pump that was not working and found it to be full of water. So hoping that this was some issue that the previous owner tried to fix I installed the new pump and it seemed to work fine.
The reliability scores for the Audi S4 are a little bit mixed. RepairPal gives the Audi S4 a measly 2.0 out of 5.0 for reliability. This ranks the S4 27th out of 31 luxury midsize cars. This is because the repair cost is higher than other vehicles and the frequency and severity of repairs are also higher.
Expect to change items near roughly 100K like Water pump, Thermostadt, and PCV (Pressure Control Valve). While this is routine for all cars, in the S4 these all require removal of the Supercharger / Throttle Body Assembly. What is normally a 1 hour job for most cars is about a 8-10 hour job for the S4 because of their location / access.
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When the Audi A4 camshaft adjuster seals and valve cover gaskets leak they typically cause a burning oil smell. The passenger side cam chain tensioner seal is located on the backside of the cylinder head and will drip oil onto the downpipe causing this smell. This Audi A4 leak is best seen through the passenger side wheel well as pictured
A common leak spot in the 4.2. Gotta remove the manifold to get to the gaskets. It is tedious but not that bad. Oil was pooled under neath in the valleys by
Look under the firewall for pink goo on the top of the transmission case. 3. Oxygen sensors are getting to the end of their life. Basically, these cars are fine until 120K miles give or take (timing belt and water pump should be done every 75K) and then things start unraveling.
May 23, 2012. #3. Sounds like fuel vapourisation, fairly common on any large petrol engine. The heat from the engine vapourises the fuel in the lines, so it has to crank over a few times when it starts waiting for new fuel to be delivered. Its just one of those things I think.
3. Excessive Oil Usage. A commonly reported complaint from Audi A4 owners is that their car is burning oil – that is oil consumption is way above what it should be. You can find this complaint reported on models mostly from the 2012 – 2017 era and it affects A4 models with 2.0T engines.
If the battery is dead, it either isn’t storing enough voltage or it isn’t charging enough. A bad alternator can cause your battery to drain to the point it can’t turn your A4 over. Suspect the alternator if the battery light stays on after charging your car’s battery or jumping it. 3. Starter Motor.
When this fault code appears with a Check Engine Light (CEL), unfortunately, it is hard to diagnose. This fault code is the most common on Volkswagen and Audi 2.0T engines. A P0299 fault code means that the turbocharger, or supercharger in other engines, has excessively low output. The ECU sets a specific range of optimal boost levels and when
2003-2005 Audi S4 (B6) Pricing. Via: Audi. The original base MSRP of the 2003 Audi S4 is $45,560. Since hitting the bottom of their depreciation a few years ago, many examples have updates and modifications, meaning original clean examples are incredibly desirable.
My Audi A4/S4/RS4 Screen has become detached from the soft top fabric The Audi A4 rear screen is a common victim of becoming unglued from the fabric. It is important to act quickly if you want to avoid the cost of a new replacement fabric – in some cases where the unbonding is severe, the only option is for a full convertible hood replacement.
Grab an old wiper blade and remove one of the steel strips from the side of the rubber blade. Bend two 90-degree turns on one end. Short segments, say 1/8" long. So starting from the end you have segment, turn, segment, turn, rest of strip. Break the rest of the steel strip off about 5 or 6 inches away from the turns.
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audi s4 b6 common problems