Question about 2003 Volkswagen Jetta TDI

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When accelerating, engine has a humming noise when engine hits 3500 rpm, doesn't feel like turbo kicks in. jetta 1.8T engine

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6ya6ya
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Posted on Jan 02, 2017

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chiquititas
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SOURCE: gt tdi

Maybe there is a hole in one of the parts.

Posted on Jun 17, 2008

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SOURCE: 2004 Jetta RPM's are 3500 at 120km/hr in 5th gear. Is this right?

Hi
there is no overdrive buttone in VW.
Seems like you need new clutch.

Posted on Mar 08, 2009

  • 2 Answers

SOURCE: I have a 2002 volkswagon jetta tdi! It was

I agree with the fuel filter-also under the air filter there is a screen that clogs sometimes cutting air flow. The assumption is that the air filter is not clogged. If it is near 100,000 and the intake has not been cleaned it could be clogged.

Posted on Apr 25, 2010

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SOURCE: My 2000 VW Jetta TDI suddenly lost power on the

Most likely its your transmission slipping You will need to have it checked by a mechanic if the rpm is double then it has nothing to do with the turbo, if it's a automatic it means the clutches are slipping or if it's a standard it means the clutch is slipping from being worn out or the pressure plate is wore out.

Posted on Jun 05, 2010

  • 1 Answer

SOURCE: Loud hum/vibration on acceleration - Saab 95 Linear 2.3t

I have the same issue. I have a harmonic hum that appears to come from the rear of the vehicle but with a vibration through the floor board. I have a 2009, Saab, 95. Have had the wheel bearings replace and rotators. The noise was load when you pulled up on the emergy brake one level. Adjusted assembly but still have hum.

Posted on Oct 29, 2010

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1 Answer

I dont think the turbo is working!


Unless something has gone horribly wrong with your vehicle, a turbocharger is a maintenance free item. A turbocharger works by using exhaust gas pressure to spin a turbine, wich then sucks and compresses cool clean air into the engine. Depending on what make and model vehicle, you can see how the turbo works by briefly removing the intake tube, from the air-side intake snail. revving the engine, hold your hand over the turbo snail you should feel quiet a lot of air being dispelled from the turbo. No oil should appear on your hands and their should not be any unusual noises, apart from the turbo whistle. Hook it all back up and whilst driving you should be able to feel a small increase in power, through the rev range. Depending on make and model, this will vary at the point this turbo boost comes in to play. Many engines it is around 1900-2500 Rpm. Petrols will be higher than diesels!

Jan 24, 2011 | 1997 Chevrolet C/K 3500

1 Answer

Hello.I got my Volvo s40 2002.Its suppost to have a turbo build-in.But I cannot feel the difference,basically when is turbo starts working?Thanks!


The S 40 came with different size and spec engines and they were not all Turbo charged versions. The choice of engines available depends on which country you are in.

The turbocharger is driven by the engine's exhaust system and runs continuously but has minimal affect at low engine RPM. Unless the turbo has failed, you should feel the turbo effect kick in when you accelerate hard but there will be a brief lag .

If you have the turbo engine fitted to your 2002 model S40 you will have a " 1.9T " badge on the rear of your car under the S40 badge. The "T" designates Turbo. An engine designator badge without a "T" indicates it is not turbocharged.

The turbochargers on these S40 models will fail (especially if the car has done a lot of miles) so you should have your car examined if you feel the turbo is not functioning.

Dec 18, 2010 | 2002 Volvo S40

2 Answers

Audi a4 whirring acceleration noise


Hi i have 02 audi a4 slimline. on motorway going 70 mph and to past a car dropped it down to fourth gear probly hit 90mph. Drove for a further hour and a half, and hear a bang under car. car started to loose power. was drivable but hissing noise come out of it when accelerating. Feels like turbo not kicking in. Would this be that the turbo has blown of maybe burst pipe or something. If anyone can share a light on this i would be very greatful. Cheers

Aug 02, 2009 | 2003 Audi A4 Cabriolet

2 Answers

Loud hum/vibration on acceleration - Saab 95 Linear 2.3t


I have the exact same issue. I can't seem to replicate it for the dealer and it is identical to what you are describing. PLEASE e-mail me if you figure it out or know anything. I want to get it fixed and it to go away! Thanks! Todd. Tm2200@aol.com

Jul 18, 2009 | Saab 9 5 Cars & Trucks

1 Answer

RPM Oscillating


have you had the vehicle speed control reprogrammed if not that could be your problem

Jun 26, 2008 | 2005 Dodge Ram 3500

1 Answer

Accelerator problems


Hi,

If you have the turbo charged version, this issue refers to the "turbo dead zone" between 3500-4000 RPM. This refers to the no acceleration between these two RPMs and is caused by the time difference between the time the second turbo kicks in after the first turbo has activated. If you are referring to acceleration loss/delay below 3500 RPM, the issue is "turbo lag" which pertains to the delay in time between the stepping on the gas pedal and the 1st turbo activating.

In some other instances including non-turbo versions, the problem may be due to air leak in the intake manifold and the air cleaner. In the turbo versions, it would include the in/out junction of the blower including the clamps.

Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.

Good luck and kind regards.

Thank you for using FixYa.

Jun 04, 2008 | 1993 Subaru Legacy

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