Question about 2003 Audi A4 Cabriolet
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Posted on Jan 02, 2017
SOURCE: Engine shutter and lack of power
You probably have a vacuum leak somewhere. Check for broken or cracked hoses and/or plastic pieces they connect to. Pay special attention to suction pump, part# 058 133 753 B. Google it.
Posted on Nov 15, 2008
SOURCE: Coolant light on an AUDI TT 2000
It sounds like it is low on coolant. Coolant expands when it warms up so if it is just low enough to trip the switch when it is cold it will shut the light off when it warms up. You should be ok to just top it off but be sure that what you put in is compatible with what is in it. There must also be a leak somewhere in the system for you to have lost some to begin with. Depending on how many miles you have on the car it wouldn't hurt to have the cooling system flushed if it's never been done before. If you do get it flushed take it to the dealer to have it done. Explain to them the low coolant and have them check the system for leaks at the same time. Hope this helps
Posted on Dec 23, 2008
THOSE NUMBERS ARE VERY GOOD, THE PROBLEM MOST LIKELY IS A DEFECTIVE OIL PRESSURE SENDING UNIT, HAVE REPLACED 100'S OVER THE YEARS FOR THIS SAME ISSUE, GREAT THAT U CHECKED THE PRESSURE THOUGH, IF THE LIGHT WAS INDICATING ACTUAL LOW PRESS U COULD HAVE WASTED THE BEARINGS IN THE ENGINE.
Posted on Feb 14, 2009
SOURCE: 2002 audi a4 oil light issue
There are potentially two different problems here.
1. A fault with the actual oil pressure.
2. An electrical fault with the switching circuit.
If you are confident the problem is not with the oil pressure, disconnect the wiring from the switch for a period of time. If the light still comes on periodically the fault must be with the wiring circuit shorting to earth. There will be no fire hazard to this approach as the voltage will drop over dash lamp.
However if the problem is with the oil supply system, the danger with this approach is you are potentially unaware of a serious problem
Such as the oil filter collapsed or the oil pressure release spring could be jammed open/closed which would cause the engine to not have the correct operating pressure.
Posted on Feb 24, 2009
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