Question about 2008 Audi A4

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I have an audi a4 2008 Diesel car, and the rev counter keeps going up, can you help me with why this is happening.

The engine speed keeps going up when the engine is hot.

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  • Audi Master
  • 733 Answers

PDF FILTER AT THE CAR PRESENT?NEED ENGINE CODE NUMBER TO GIVE U MORE INFO!

Posted on Apr 25, 2014

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6ya6ya
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Posted on Jan 02, 2017

TLRogue
  • 99 Answers

SOURCE: audi car

sometimes there are two temp sensors, one for the gauge inside and one for the engine management. You have possibly replaced the wrong one. Have a look to see if there is another, if so disconnect one and see if gauge drops in car. if it does its the other that needs replaced.

Posted on Jan 23, 2009

TDISLine
  • 1874 Answers

SOURCE: audi a3 1600 1999 car cuts out when cold after

You must check up all spark plugs, eventually change spark plug set (4 pieces), and fuel filter placed on bottom right side near reservoir. Also you must clean inside throttle valve control unit, see picture below:

9f85d38.png Refit all in reverse order.

Posted on Dec 06, 2009

  • 1 Answer

SOURCE: jerking

hi there my audi a4 1.9 tdi se 2000 model rev so high but the reading is 800 rpm,

Posted on Feb 26, 2010

  • 1 Answer

SOURCE: i have an audi a4 1998 1.6cc, the rev counter

Airflow mass meter needs to be checked

Posted on Jan 15, 2011

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My audi 2.0 tt has electric faults ie the rev counter and speed counter dont work. The handbrake light and the steering light stay on Can you help please?


U MIGHT NEED TO CHANGE THE INSTRUMENT CLUSTER......ONLY AT THE DEALER.....HERE IT COSTS A LOT..ASK UR LOCAL DEALER AND LET ME KNOW...

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My honda civic 1.7 diesel 2004 starts dropping speed suddenly shift gears up or down it won't make any difference can press acceleration it won't make any different the rev counter won't go past 2000...


Whens the last time you change your fuel filter. The other problem could be the fuel pump. Our you using Bio Diesel or regular Diesel ?
Some Bio Diesel will not burn hot enough to give you the power.

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Rev counter only goes 2 3000 revs on a new golf match 1.6tdi (red I) 2012


diesel engines don't rev as high as gas engines and electronic controls don't allow over running the engine in neutral

Apr 26, 2012 | 2012 Volkswagen Golf 2.0L TDI 2dr...

1 Answer

Car will not speed up when revs go up on automatic a3 diesel audi when i pull over and stop engine it drives ok then after 5 miles it looses speed even though revs are normal


Start by checking the fluid level, some of these dont have a dip stick and get low on trany fluid and cause this problem, i would start with that first then scan computer to see if any codes are stored and last would be an over haul of trany.

Aug 25, 2010 | 2005 Audi A3

1 Answer

Hi i have a peugeot 405 diesel and the speedo


I had a similar problem with my old peugeot 405 diesel, something electrical was shorting and actually sparking in the engine compartment which in my case the garage fixed very easily. Same symptoms, the speedo flickered at low speeds but stopped at higher speed.

Sep 21, 2009 | Peugeot 405 Cars & Trucks

1 Answer

Rev counter jumps whilst idling and then engine cuts out


Your problem sounds as if the thermo sensor....which controls the air fuel ratio when engine is cold....is faulty. It is a common fault on this model.
This is not an expensive part, and takes only a short time to fit.
Good luck
John

Feb 09, 2009 | 1999 Volkswagen Golf

1 Answer

Rev counter jumps when idling and then engine cuts out


sounds like the idle speed sensor,if your rpm's are idling up and down

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1 Answer

A3 power surges


run the fault codes
could be a transmission actuator problem as it senses vacuum changes when moving the accelerator and tries to change ratios ( 2000 to 2500 rpm indicates a ratio change which is the speed increase momentarily until the Transmission range sensor puts it back in the correct ratio for the road speed
check the wiring to the transmission
it is a sensor problem not a transmission failing

Jul 01, 2017 | 2002 Audi A6

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