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1998 audi a4 quattro 2.8-v6 speedometer not working. stops reading at 50 kmh

Speedometer will register speed up to 50 kmh, then stops. will not go back to 0 until the ignition is turned off. I think that the guage cluster was replaced from a audi that had the 1.8 turbo engine.

Posted by Anonymous on

6 Suggested Answers

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  • 2 Answers

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Posted on Jan 02, 2017

MrScary66613
  • 1990 Answers

SOURCE: chevy cavalier 2005 speedometer stuck not working

That Cluster will work But, You will have to get an Installation kit if you want the Tach to work. Everything else will hook up the Same. You have a Distribution Box (Fuse Box) Under the Hood on the Drivers Side, There is a Fuse in it for the Speedo. Inside the Cover to the Box is the Fuse Diagram or in the Back of the Owners Manual.

Posted on Jan 08, 2009

  • 21 Answers

SOURCE: some times my speedometer doesn't go back to 0 when i stop

get your speed sensor checked its probibly dirty and could use a good cleaning or you would need to drop a max of $69 at napa for a new one

Posted on Jan 18, 2009

SOURCE: Will These Spark Plug Wires Work for My Audi?

No. I would go with the cheaper set.

Posted on Apr 29, 2009

j_del
  • 1586 Answers

SOURCE: temp guage not working

It's most likely one of two things: 1) coolant temp sensor (meaning the gauge isn't working), or 2) stuck thermostat (meaning the gauge is working but the coolant isn't getting hot)

Start with the coolant temp sensor - it's on the back of the engine, somewhat near the top, toward the passenger side. On your car it's likely a blue sensor body (as is the CTS on my 99 A4 2.8). The easiest way to get to it is to remove the tube leading from the airbox to the throttle body. Take that off, and you can look down and see that there's a squarish plug with four wires plugged into the top of the coolant temp sensor (at the right angle you can see the color of the sensor - black, blue, or light green, but most likely blue on your car). There's a C-shaped retaining clip that holds the connector onto the sensor which must be pulled off (pull more or less straight back toward the firewall), and then the sensor can be unplugged. The sensor itself is just pressed into the opening in the block, not screwed in - you just have to pull upward to get it out (it can be tough - try opening the cap on the coolant tank to alleviate pressure in the system). The sensor is not expensive (around $25 from www.ecstuning.com - call them up with your VIN number to guarantee they send you the right sensor).

If you change that out, and it doesn't fix the problem, don't sweat it - it means your temp sensor was working, but replacing it was a good idea anyhow since they're prone to failure and can cause all kinds of wacky problems when they go. Next most likely problem is a thermostat stuck partially or fully open, and this is more invasive - it requires removing the front bumper, opening up the core support (with radiator and AC condensor), losing (and having to flush and refill) your coolant, and the removal of the serpentine belt and fans. It sounds horrifying but it's pretty easy actually.

I'd suggest starting with the CTS and see if it fixes the problem. If it does not, reply here and let me know and I can help you through the thermostat replacement if you're mechanically inclined and have the tools. If you're in the northeast, I can do either repair for you (I'm in the southern tier of NY) and save you a bundle over a dealership, and save you the aggravation of doing it yourself if you're not mechanical or don't have the tools or experience.

Posted on May 02, 2009

  • 1 Answer

SOURCE: Audi A4 1.8T Quattro 09/2003 Temp guage rises as

Could be thermostat this regulates the water flow around the engine to keep it cool sounds like it is sticking open when water gets hot!!

Posted on Jun 09, 2009

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