Quote:
Originally Posted by dc_98_cam
When you let up on your accelerator pedal, the engine vacuum will increase ... If there is a loose vacuum hose, this might be drawing air into the intake venturi ... causing improper combustion ... loss of power. If you get a spray can of starter fluid, you can start the engine, and place a few judicious sprays of ether around the intake manifold, and also any vacuum hose, to try to find a leak, loose hose end, or other problem area.
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Thanks for the reply. I was thinking air leak too, however, I had my mechanic check for any leaks and he found none. But I can check again tomorrow.