Ive got a hissing sound coming from my 2002 dodge ram 4.7.

Asked by Mar 12, 2014 at 02:45 PM about the 2002 Dodge Ram 1500 ST SB 4WD

Question type: Maintenance & Repair

I hear it at an idle from under the
truck. Its very faint in the engine bay
until I rev it with the throttle cable. Any
thoughts on what I can do to fix this?

1 Answer

232,355

Most probably a Vaccum leak, see if you can find the area with the engine runnign and open the hood.

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