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mmm, this is good stuff, but it doesnt really answer 2 questions, what does evap do while the car is running (no OBD testing goin on) and what does it do normally when the car is off? does it simply "vent" to atmos through the charcoal canister normally, and occasionally pull vacuum to clear the canister of fumes while running? i'm looking to convert to a standalone ECU yet maintain certain things like this via manual control.
Munky332 1 month ago
Better then my teacher ! Very well done
who933 3 months ago
Great presentation. Thanks
utoopuser 3 months ago
Thanks very helpful video
alex23bonilla 4 months ago in playlist More videos from autofixworldcom
tanks for the leak detecting info
crudeoilsystems 7 months ago
"The vent opens briefly to allow tank and atmospheric pressures to re-equalize" Which means the fumes are dumped in the atmosphere. (WTF!!!??) Also a leak smaller than .02 is ACCEPTABLE and the vehicle passes. WTF??? That means certain leak sizes into the atmosphere are OK and the earth will NOT be harmed. It really means that this is a politician's invention. Inspection Stations can force you to pay tribute to the EPA instead of you feeding your family.
newjerseybt 11 months ago
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I have 98 Isuzu Rodeo, the problem is that a few weeks ago the Check Engine will come on with code PO440 (EVAP). The problem is a leak in the EVAP system, you change the gas cap, tighten the hose to the EVAP system, but the light comes every time the gas tank is just a half, I have checked and all information indicates that there is faulty pump gasoline. But I'm not sure what to do.
KryzZTyaN 2 years ago