Why is my coolant not working on my Mk4 Golf?
On my Mk4 Golf this fault appeared, and £12 later I had a new expansion tank. The low level sensor corrodes and gives spurious signal. It can be scraped clean, but mine was too far gone. Oh, and that £12 was from the dealer, new, for the tank, lid and sensor.
What to do if your VW TDI loses power?
If you are not sure whether it is bad, simply rev the engine to 5100 RPM while in park or neutral. If the MAF is bad, you will not be able to do it. If the MAF has not failed totally, you should be able to do it. You can also unplug the plug connector. The ECU will then replace the faulty signal with a default value.
Why does my Volkswagen TDI go into limp mode?
This could be temporary or more permanent, depending on the cause. Two possible causes are computer-imposed “limp mode,” and the MAF sensor, which is just a small distance from the air cleaner. Limp mode is a safety function when the car computer detects a serious malfunction of some sort serious enough.
Can a head gasket fail on a 1.9tdi Audi?
Head gasket failure is known on the 1.9tdi engines. The 2.0tdi engines are also known to suffer from porous cylinder heads. Some poor 2.0tdi owners I used to chat with on an Audi forum faced hefty bills for mysterious coolant loss. Hopefully something simple for your problem though (fingers crossed smiley).
When does the coolant temperature warning light turn on?
The coolant temperature warning light turns on when your engine is sensed to be too hot and is at risk of damage from overheating. Is it safe to drive with the coolant temperature warning light on?
Why does the low coolant light come on and off?
Low Coolant Light Comes On and Off – 4 Common Reasons. Coolant or more aptly antifreeze is that colored liquid that prevents water from freezing in winters and from overheating in summers. But when the low coolant sensor turns on and off no matter what the season is, you may have several questions in mind.
What does it mean when your engine coolant is overheating?
If this code is discovered, it means the engine coolant temperature is excessively high under normal engine speed. The engine coolant is overheating if it’s around 240 to 250 degrees. This is a critical light!