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Audi a4 3l quatro auto only starts in a mode that gives me 1st gear for 1st mile,then switch it off, after that it works perfectly for around 4 hours before it all starts again

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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j_del
  • 1586 Answers

SOURCE: Oil for 2007 AUDI A4 2.0t Quatro

The best balance of price, quality, availability that I have found is Mobil1 synthetic - it's on Audi's approved oils list. With the 2.0T engine, you absolutely want to use synthetic (the Audi turbo fours are known for oil sludge issues), and you want to do a SeaFoam treatment every 15k miles or so - that combination will keep your engine in great running shape.

Posted on Aug 14, 2008

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ILikeBMW
  • 117 Answers

SOURCE: BMW 523 Auto gerbox when cold change from 1 to 2 gear is hard

hello there

The problem is with the gear oil. To keep ahead of the rest BMW started what they call life time oil for their gear boxes, though that sounds great it doesn't really work in reality, they have now gone back to recommending a gear oil change every 60k miles.

In short you need to change your gear oil and soon, the oil in your gear box is no longer effective and will damage the gear box. You'll need about 5 litres for your car and costs around £15 a litre, expensive stuff!! I had the same problem with my 328i auto, the dealer was clueless and kept quoting the lifetime oil, I changed the oil and the problem has gone and it's so much smoother.

Hope this helps, please don't forget to rate me.

Posted on May 19, 2009

  • 3 Answers

SOURCE: Lincoln Navigator transmission problem

check and replace filter and fluids just like oil it tends to burn up and blacking and needs to be changed and flushed checking your tranny fluid it should be a red color not a dark red or with a black tint

Posted on Jul 03, 2009

Fame_Guru
  • 483 Answers

SOURCE: BAS/Esp light on with diagnostic symbol

Hi,
As you may know, modern automobiles (from the 1980's to present) have at least one computer controlling them. This computer (or computers) control the fuel to air mixture via either electronic fuel injection or a feedback carburetor. On the newer vehicles the computer also controls the ignition timing (That's when the spark plugs fire).
The newer a vehicle is,the more stuff the computer(s) control. The newest vehicles have the computer shifting the automatic transmission or transaxle as well as controlling spark and fuel mix. Many vehicles also have a climate control computer which controls the A/C and heat. Luxury cars often have vehicle anti-theft controlled by computer: some even will adjust the seat and steering wheel to suit different drivers when they enter the car!!!
The downside to all this "smarts" on a car is obvious: what happens when something breaks? The good thing is that the onboard computers themselves are very reliable. The problem is that the computers rely on a whole flock of sensors and wires to give them the data needed to make your car run. These sensors are not nearly as reliable as the computer itself, in fact they fail quite often!
This is where a "limp home mode" comes into play. Whenever the vehicle computer gets a reading from a sensor that is obviously wrong, it will "assume" a value that it "knows will work". On the earliest computer controlled cars with feedback carburetors, if the computer got bad readings from sensors, it would run the carb at the richest setting. You would get horrible gas mileage, but the car WOULD run. The computer would then turn on an amber "CHECK ENGINE" light. It would also store a trouble code in its memory telling what sensor was giving a "bogus" reading.
The newer computers are much more sophisticated, and just because a "CHECK ENGINE" light comes on doesn't really mean the computer is totally in a "limp home mode". Depending on what sensor reading is out of specs the computer may still be doing a pretty good job of controlling the engine. For example, some cars can have the "CHECK ENGINE" light come on if you don't tighten your gas cap tight enough after filling up!
On most vehicles the "CHECK ENGINE" light will go out if the sensor starts giving normal readings again, although some computers will make you use a scan tool to turn the light off.
This basically looks like the sensor to me, try getting that fixed for good.
Kindly let us know for any future assistance.
Thanks
Fame !

Posted on Jul 09, 2009

carlsbiz
  • 1124 Answers

SOURCE: 1st gear slipping at start. reverse and other

Have you checked the trani fluid ?
It could be slipping just enough to notice in 1st gear beause that is the most resistance..
A slip is a slip..
Or it could be that the bands are warn in only first gear - wich would cause damage before long..
Some shops give free estimates..

Posted on Jul 22, 2009

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BMW 523 Auto gerbox when cold change from 1 to 2 gear is hard


hello there

The problem is with the gear oil. To keep ahead of the rest BMW started what they call life time oil for their gear boxes, though that sounds great it doesn't really work in reality, they have now gone back to recommending a gear oil change every 60k miles.

In short you need to change your gear oil and soon, the oil in your gear box is no longer effective and will damage the gear box. You'll need about 5 litres for your car and costs around £15 a litre, expensive stuff!! I had the same problem with my 328i auto, the dealer was clueless and kept quoting the lifetime oil, I changed the oil and the problem has gone and it's so much smoother.

Hope this helps, please don't forget to rate me.

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