Why my 2001dodgedurango whistle when i started engin

may be you should make a diagnostic and you can do it in a garage or you can do it by yourself if you want to do it by yourself you need some tools and you can find some good ones here: diyobd2.fr

Sounds like a vacuum leak ,,causes lean condition ,can cause internal engine problems ,

there is one full light in the metar **** no other light showing

I don't know if this is the right place.
But I have a 98 Pajero 4m40. It starts and idles nicely, but upon acceleration, engine sounds terrible, almost like a non turbo L200 engine, even with the intercooler connected and turbo whistling. Please help.

Sounds like a vacuume leak, use some carb cleaner in a spray can and gently spray the engine. When you find the leak the engine will stumble, check in that area for the leak.

it could be a pulley that is cold or lubricant on it is low. Or could be the air intake system. Nothing serous anyways.

This is a symptom of the inlet manifold gasket having a leak.The whistling is air going in through the small leak/hole in the gasket.With the throttle butterfly shut,air is getting sucked in the only way it can.Try tightening the inlet manifold bolts 1st.But more than likely the gasket needs replacing.Hope this helps

you may have a tensioner or idler pulley starting to go bad. They make a high pitched whistle when the bearings are on thier way.

Simply have someone slowly bring it up to 2000 rpm and listen with the end of a wooden broom handle touching the center bolt on each. Be careful not to get caught.

If you're not used to this you may be able to hear it whithout use of the "hearing aid"

Your drive belt may simply need dressing. You can buy this at almost any auto parts store for about 4 bucks. (dont use anthing else as you will cause the belt to stretch creating more issues)

You are right. It is air leaking. You either have a vacuum line off the engine, or a leaking gasket in the intake manifold area. It could also be your PVC valve is out of it's grommet in the valve cover. You can locate the leak with the car running by using a mechanic's stethoscope. Just use it WITHOUT the metal pickup rod and diaphragm. Probe the open tube end around areas that sound like they leak or whistle. You can also use a can of carb spray. Just carefully spray around gasket surfaces and when the engine rpm raises, you've found it. Be very careful around a hot engine so you don't start a fire using this method.

Your alternator is drawing alot of power trying to charge the battery.Try tightening the belt.That should fix your problem..The reason the alternator is whistling so much on cold starts is because thats when it takes the most power from the battery to start the car.And the noise from the alternator is it charging it back up..So I'd try tighting the belt that will fix the smell and watch for the battery light or alternator light in the dash come on the could be your alternator failing and you dont want that to happen..I hope this helps you fix the problem.Have a great day...

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