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4.0L OHV & SOHC V6 Tech General discussion of 4.0L OHV and SOHC V6 Ford Ranger engines.

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Old 01-06-2008
rdsx18's Avatar
Join Date: Nov 2007
Location: Methuen, MA
Posts: 39
What the hell does the EGR do anyways?
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Old 01-06-2008
Join Date: Mar 2006
Location: Mesa, Arizona
Posts: 886
EGR - Exhaust Gas Recirculation - Its for Emissions, it takes exhaust gas and reinserts it into the intake manifold. Anything that didnt get burned gets reburned, thus making it more efficent. Anything thats already burned wont burn again, so it keeps the cylinders cooler, and ensures that exhaust gas is "cleaner" before it goes to the cats. Making them work less to ensure good emission levels.
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Old 01-07-2008
karrbass4life's Avatar
Join Date: Nov 2004
Location: Cincinnati, Ohio
Posts: 3,072
Didn't certain years have the EGR on the left side, then some had the left?
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Old 01-11-2008
bpolly_2004's Avatar
Join Date: Mar 2007
Location: Huntsville mo
Posts: 559
will these help with gas mileage?
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Old 01-12-2008
Blackhawk's Avatar
Join Date: Jun 2007
Location: WI
Posts: 586
just for the record mine has drivers side EGR. Blah
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