Question about Cars & Trucks
Loud sound like tappets coming from engine when the accelerator is pressed. when you take your foot off the pedal the sound stops.
Have a compression test done on the engine. The noise as you describe relates to detonation but being a diesel this is not possible but it could be piston slap (worn pistons /bore) or broken rings that is occurring when the fuel is excessive to allow the engine to accelerate. Check the condition of the sump oil . It should be black but very runny. It is black but very thick you may have a worn motor
Posted on May 05, 2013
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Posted on Jan 02, 2017
Just trowing some suggestions out there, but, I would check the idle air control valve (solenoid) or the throttle position sensor. If they check out then my last guess would be the map sensor or the vaccuum to the map sensor. Hope I was able to help. Best wishes.
Posted on Jan 17, 2009
If I understand you correctly, you feel a vibration it the brake pedal when you apply the brakes. Is that correct?
Have your brake rotors re surfaced; they are warped.
"engine makes cavitating noise" ....what does this mean?
Posted on May 07, 2009
I have the exact same problem, however reversed. My whistling sound stops when I accelerate and starts when my foot is off the accelerator. Frustrates me and am afraid to have it looked at for fear of the cost of fixing this problem. Have you since discovered what the problem is or was?
Posted on Feb 03, 2010
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