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EGR does NOT make mixtiure rich or lean
..."EGR reduces the high temps by putting a non flammable gas (exhaust) into the intake stream, reducing the amount of combustion heat created per ignition event.
Yep, that's right, it makes the individual event run rich."...
NO that is false
EGR
when functioning as designed
dilutes the air fuel mixture with an inert gas , it does NOT change the air fuel ratio
EGR does NOT make the mixture rich or lean
the cold start injector in early fuel injected systems only operates when the starter is operating
and length of operation was regulated by temperature , the cold start injector did not operate at all on hot restarts
cold start does not function at all when the engine is running
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