Questions & Answers for: Audi earth surface

...reading 90 before start up. Oil and coolant levels are OK These gauges have switches that work by earthing, ie, if you take wire off at sensor end & touch any metal surface on your engine with ...

...sensitive. Has only started to happen since battery recently replaced. Check both ends of battery's earth lead. Remove, clean all surfaces with emery/sand paper, replace and seal with grease or ...

...could be stuck in what is sometimes called "limp Home Mode" I have found a common problem is the earth wire from body to engine has stopped making a good contact so take lead off and make sure

...surface in the disabled vehicle's engine bay, away from the battery and the engine itself. Make sure the cables are clear of any moving parts. After a final check, start the booster vehicle. Then try ...