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very wrong and dangerous
Posted by Dean (more from Dean) on Wed, 14 May 2003 09:08:18
In Reply to: Simple no-cost test, Greg Netzner, Wed, 14 May 2003 07:52:06
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I thought that we stomped this one to death a long time ago.
The BPV is open at idle and when in overrun, =closing throttle when the engine is at speed. If you remove the discharge hose from the BPV, and plug the hose side, unfiltered air can still enter the engine through the open BPV!
How much air can get in? There is a pressure drop across the filter.
Test: remove the disharge hose and start the engine. Poke your finger in there and you can feel that the valve is open. Remove and re-apply the vac line and notice that the valve closes and opens. Don't get your finger pinched! If this action does not happen, you have a defective vac line or BPV.
posted by 208.24.17...
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