Question about Volvo S40

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Hi. Ihave volvo s40 1.9d 102 hp it lost power,makes weird noise at the back of the engine like whistling or rotten sprocket when revs go to 1800rpm, no smoke, nothing shows on dashboard drives ok. is

It happened suddenly, when I was stuck in traffic and when tried start it suddenly wasn't as powerful as 1 min before. never had any problems with the car it never stopped on the road but it has now 160000 miles on the clock. Thank you for help

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  • Dai Boyce
    Dai Boyce Dec 10, 2014

    I also got some card cleaner from Screwfix or Toolstation and i undid the large air pipe cleaned coming from the unit. It worked a lot better with all the old oily gunk removed.

  • Dai Boyce
    Dai Boyce Dec 10, 2014

    I also got some carburettor cleaner from Screwfix or Toolstation shops and i undid the large air pipe cleaned coming from the unit. It worked a lot better with all the old oily gunk removed.

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Some of the newer Volvo S40 cars also have electronic Accelerator pedals which affect a lot of the system when they wear down.

Posted on Dec 10, 2014

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  • Volvo Master
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Run fault codes and look for torque converter clutch solenoid/servo problems and TCM problem. Check oil condition and change if tan coloured.

Posted on Feb 09, 2014

6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

justuscc
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SOURCE: loss of power jeep cherokee 1998 2.5 tdi

could be a clogged catalityc converter. good luck

Posted on Sep 24, 2008

ndguy2481
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SOURCE: blowing black smoke on acceleration

1 Inspect Piston Ring Set Worn or broken piston rings. grey_line.gif 2 Inspect Valve Stem Seal Cracked or brittle valve stem seals allowing oil to enter combustion chamber. grey_line.gif 3 Inspect Head Gasket - Performance Head gasket leaking coolant into cylinders grey_line.gif 4 Inspect Fuel Injector Rich injector grey_line.gif 5 Inspect PCV Valve Plugged or damaged pcv valve. grey_line.gif 6 Inspect Engine Worn or scored cylinder block grey_line.gif 7 Inspect Piston Worn or damaged piston. grey_line.gif 8 Inspect Valve Guide Worn valve guides

Posted on Nov 26, 2008

  • 55 Answers

SOURCE: Loss of power and acceleration on Mazda 6 Turbo diesel 2003

I'm assuming that that smoke was more previlant while going uphill because that's when the turbo would be really spolling up to max psi. I would guess that if you really got on the gas hard and got the turbo going even on a flat surface, that you would notice the smoke too. The loss of power and the white/grey smoke are tell tale signs that your turbo is bad or starting to fail. Good luck!

Posted on Dec 30, 2008

greg_margo
  • 1959 Answers

SOURCE: 2001 Mitsubishi Galant Transmission problem?

Could be a few things:

  1. Low on auto transmission fluid; this would cause you to lose a few of the forward gears (reverse is used less often so its the last gear to go Start the car and add fluid to the specified markings on the Auto Transmission dipstick
  2. Bad auto transmission fluid; Check the fluid, if its brown and gives off a burning smell, it needs changing along with the filter
  3. Bad transmisssion; if neither of the above are true, then it sounds like the clutches have burned out on the transmission or the transmission itself is bad; if 1 or 2 hasn't solved your issue the car needs to be diagnosed at a reputable transmission shop; Make sure they lay out all of your options and if you decide to have a major transmission repair done, the Kelly Blue Book value on a similar car similarlly equipted in exellent condition is about $6,800 retail
I hope this leads you in the right direction. Don't be afraid to post back with any questions. Best of luck.
Greg

Posted on May 23, 2009

  • 1 Answer

SOURCE: L200 warrior turbo fault,drives ok

iv only st come on here and seen this post i know exactly what this problem is. it's the waste gate in the turbo gets full of carbon and then over boosts itself and put on the engine management light and when you turn the key on and off it resets it. so what you have to do id take the turbo off and clean out the waste gate which is on the exhaust side and that will get rid of all your problems and the better you clean it out the longer it will last.

Posted on Dec 26, 2009

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Hi,
A whislting noise would make me suspect a cracked or broken vaccuum line. Whistling as it sucks air into the system. I would check the biggest one first, on your brake booster. It is a large line coming from the engine to the brake booster assembly located behing the brake master cylinder. I would check all the lines with engine running, have a helper rev the engine slightly while you listen in the engine compartment to see if you can locate it. Also work the brakes simultaneously. Cold weather can make older lines crack which can cause a serious problem depending on which line cracks or breaks. Check all your air lines first and see if you find it in that system before assuming something more major. A crack in other engine system lines will usually produce a fluid leak of some type.....Good luck!..Mike

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