Question about Chevrolet Impala
What sort of ratchet do i need. i can not seem to find the correct attachment
IT WILL BE METRIC. IS IT A BOLT OR A TORX TORX LOOKS LIKE A MULTIPLE STAR
Posted on May 17, 2014
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Posted on Jan 02, 2017
SOURCE: EGR VALVE
Posted on May 28, 2008
The egr valve is located at the end of a hose that plugs into youe valve cover. It is pushed right into a rubber grommet that is located in one of the valve covers. I hope this helps. don.t forget to rate my nswer, thanks
Posted on Feb 27, 2009
You asked for it, you got it! This is as good as it gets:
Posted on Mar 19, 2009
SOURCE: FAILED EGR VALVE
The EGR valve helps your car more efficiently and completely burn fuel by recirculating a portion of your exhaust and running it through the combustion process again. This results in a cooler, more complete burn of the fuel which decreases you car's noxious emissions by prohibiting the formation of some harmful gases.
The EGR valve is vital to your car's emission controls.
When the EGR valve goes bad, it must be replaced - it cannot be repaired.
The EGR valve, or Exhaust Gas Recirculation valve, is a vacuum controlled valve which allows a specific amount of your exhaust back into the intake manifold. This exhaust mixes with the intake air and actually cools the combustion process. Cooler is always better inside your engine. The exhaust your EGR valve recirculates also prevents the formation of Nitrogen related gases. These are referred to as NOX emissions, and are a common cause for failing emissions testing. Unfortunately, your EGR valve can get stuck, causing NOX gases to build up. You'll know if your EGR valve is stuck or malfunctioning because your car will experience symptoms like rough idle and bucking on accelertaion.
The only short term problem is a decrease in gas mileage - but it should really be replaced before sensors become sooted or your cat. convertor gets overworked prematurely.
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Posted on Apr 15, 2009
PCV . Positive Crankcase Ventalation Valves are always located in the valve cover pans with a hose attached usually leading to the air cleaner, or some other vacuum source..
Posted on Jun 19, 2009
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