Question about 2004 Audi A4

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At about 3000 to 3500 rpm loss of power and will not rev any higher almost like it is being restricted. Change to a higher gear and it will pull as normal up to 3000 rpm. Air mass meter has been changed, Have you any suggestions ?

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

MobyMech
  • 106 Answers

SOURCE: mass airflow meter

Hi

It is fitted to the air filter outlet hose (the one which goes from the air filter to the turbo) and it is quite literally right next to the air filter. It has a wiring plug to it.

Regards

Geordie

Posted on Jun 23, 2008

  • 1 Answer

SOURCE: 93 isuzu bighorn

a temperature sender located at the thermostat housing was found to be faulty sending permanent earth to tranmission making the overdrive gear inoperable . when replaced the vehicle achieves 100kph from 2500 rpm as true.

Posted on Sep 19, 2008

  • 345 Answers

SOURCE: 1998 1.9 tdi loss of power

code read the ecu sound like turbo problem they are a variable vain type turbo and the vains stick try putting a good fuel system cleaner through it it may take several goes but its cheaper than a turbo,if you code read it it will most probably come up with-boost control pressur difference------millers or forte fuel treatment are the best i have tried ....let me know how you get on....vagman54@btinternet.com

Posted on Oct 19, 2008

emissionwiz
  • 75030 Answers

SOURCE: 1998 Jaguar XJ8 won't rev over 3000 rpm

have u ever replaced the fuel filter? sounds like low fuel pressure.

Posted on Feb 20, 2009

  • 3 Answers

SOURCE: ML270CDI (2000 model) loss of power. Rev restricted to 3000 rpm

check for electrical short in the power supply for cpu

Posted on Mar 20, 2009

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My mazda drifter 2.5 D don't rev over 3000 rpm and don't go over 120 km when its in 5th gear,its like limiting.What can it be it never did it?


When you rev the engine and does not go over 3000 rpm is this in neutral or when driving in gear? Some vehicles have a rev limiter to not allow rpm over certain point when in neutral gear but is typically not limited when driving vehicle. This sounds like a very low rev limit but not abnormal if you can get engine to rev higher when driving. You call a drifter so truck must be non US market. Is this engine a 2.5 liter diesel 4 cylinder motor. Might just be your top rev and speed if this is the case.

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I have a 99 mustang v6 3.8 automatic. The problem that I am having is that when the transmission is going into 3rd gear it revs higher (about 2300 - 2500 rpm) before going into 4th gear and this usually...


Sounds like a solenoid problem, which is causing a fair or slippage into 3rd gear. If you have a solenoid pack in trans, you need to change it. Don't drive it at all ,that way. Find out what trans unit or model you have,by stopping at a trans shop and asking lots of questions. Then go home, pull the pan and change yourself,if applicable.

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Hi:
A couple easy things to check out are your fuel filter and air filter. The fuel filter can be very restricted and cause a similar problem. , The air filter, not so much.
Plugged up catalytic converters can cause a loss of power too.! Hope you find your problem..

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