Stretched timing chain. Carbon buildup. EGR valve failure. 1. Ignition Coil Pack Failure. Ignition coil pack failure can be seen in any of the engines featured in the Passat B7. They transform the battery’s lower voltage into the higher voltage needed for the spark plugs to create a spark in the combustion chamber.
Plug in an OBD Scanner to confirm that you have a P0411 code. Visually inspect the J299 relay associated with the secondary air injection system in the ECM housing and make sure it isn’t blown. Visually inspect the secondary air pump. Visually inspect the hoses/pipes attached to the air pump. Visually inspect the Combination valve.
The 6 Most Common Audi S4 B6 Engine Problems. Ignition coil or coil pack failure; Timing chain failure; Carbon buildup; VVT/Vanos solenoid failure; Intake manifold linkage arms; Broken AC condenser or compressor; 1. Ignition Coil or Coil Pack Failure. Premature ignition coil pack or ignition coil failure is very common in many VW and Audi engines.
Symptoms. -Light throttle transmission feels like it is slipping slightly, or torque converter is slipping slightly. The RPMS surge, or bounce 100-200 RPM's back and fourth as the speed increases. -Doesn't actually shift gears, it just sloppily bounces/surges as it accelerates in whatever gear it is in.
This section covers the potential reliability issues that you might have with the Audi A4 (B7). Click on the buttons below to read more about typical problems that fall outside of the scope of routine maintenance. Multitronic CVT transmission failures. Audi A4 Cabriolet - convertible roof. 1.8 Turbo 20v - short-lived ignition coils.
A4 Cabriolet (B6 Platform) Discussion - 2007 A4 Convertible Roof problem, part 2 - Hi guys, so after I had a faulty sensor replaced half a year ago, now the roof is causing problems again: Trying to open the cab, the windows will go down, latches will pop open, but then the roof won't retract.
Audi is a luxury car brand that focuses on technological and design innovation and sustainability. They place a heavy emphasis on pushing tech boundaries and continuously innovating. Because of this, improvements are always being made, but there are bound to be some bugs. Here are some of the most common problems found in Audis:
Control arm and sway bar failure. Squeaking front brake pads. Seat latch failure. 1. Ignition Coil Pack Failure. Ignition coil and coil pack failure are very common in a majority of Audi vehicles. Spark plugs need electricity to create a spark in the combustion chamber. That electricity comes from ignition coils.
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audi s4 b6 common problems
