Sound by Miguel1.8Turbo
For:

Renault 1.9 dT
Renault 1.9 dTi
Volvo 1.9 Di
Volvo 1.9 TD
Volvo 1.9 D

Code:

audio
{
  skid
  {
    sample=skid.wav
    sample2=skid.wav
  }
  horn
  {
    sample=horn.wav
  }
  			 accelerate_out
  {
    volume=2.0
    smp0~audio.acc_all
    {
      sample=renaultr4dti/idle.wav
      min=0
      max=1000
      attack=600
      decay=600
      natural=750
      volume=1
    }
    smp1~audio.acc_all
    {
      sample=renaultr4dti/2000.wav
      min=2000
      max=2250
      attack=700
      decay=750
      natural=2000
      volume=1
    }
    smp2~audio.acc_all
    {
      sample=renaultr4dti/4000.wav
      min=2000
      max=6000
      attack=500
      decay=200
      natural=4000
      volume=1
    }
    smp3~audio.acc_all
    {
      sample=renaultr4dti/4400.wav
      min=4400
      max=6000
      attack=300
      natural=4400
    }
    smp4~audio.acc_all
    {
      sample=turbo.wav
      min=1300
     max=5800
     natural=1800
     volume=1
    }
  }
}