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Electrical is another issue that can cause an Audi A heater not to work properly.

. It began with weird temp readings and fan staying on all the time and eventually I got a check engine light.

Just like thermostats in the A4 B9, the water pump is prone to premature failure.

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Sep 2, 2021 · 2018 s4 45k miles. . If there is an electrical problem with the heater, it can prevent the heater from getting power.

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Common Reasons of Audi A4 Heater Problems. Vehicles with manual transmissions will allegedly suffer from drive wheels that lock and cause control problems. .

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Lincoln Audi were accommodating with a little discount (possibly due to a sympathetic 2007 A4 Q owner on the parts desk 👍).

0t.

Also applicable to 1. 0T Water Pump Replacement.

The 2009 Audi A4 has 2 problems reported for thermostat failed. Audi A4 owners have reported 142 problems related to engine and engine cooling (under the engine and engine cooling category).

Apr 15, 2021 · As a long term VAG fan, I’ understand a general consensus that the OEM pump on these engines is week, especially if the car is mapped as mine is.
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rough idle 2.

It never got to the red.

Try to solve this issue with a new thermostat.

Valve factory. Just like thermostats in the A4 B9, the water pump is prone to premature failure. Reaction score.

. This is now a minor problem which not affects heating or other vital functions and maybe I should not touch anything. . . . 0 TFSI.

Audi A4 B8 2.

Jun 12, 2020 · How to replace the water pump on your tfsi 2. .

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Carbon Buildup.

Common Problems by Model Year.

59.

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