Can fueling with motor running cause CEL to come on?
#1
Can fueling with motor running cause CEL to come on?
I am having the most annoying reoccurring problem of my check engine light coming on and throwing the P0441 code. I do not have any leaks and I've been through a few new gas caps, but every time I get the light to go off it comes back on a couple weeks later. I'm trying to find the reason for this. Somebody told me if you gas up with the motor running it can cause this. Is this true?
#3
The reason is, because you vehicles computer is constantly monitoring the systems, including emissions, your gas cap falls under that, if a system test is run (you wont know when) the computer will detect a loss of pressure in the tank and will send a "gross evap leak detected" message to the computer and the light will pop on.
#4
The reason is, because you vehicles computer is constantly monitoring the systems, including emissions, your gas cap falls under that, if a system test is run (you wont know when) the computer will detect a loss of pressure in the tank and will send a "gross evap leak detected" message to the computer and the light will pop on.
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#8
I have the P0441 code thrown on my Ram right now. The printout I got from Autozone after they looked up the code lists "defective or loose fuel cap" as one of the possible causes. If the gas nozzle has the shroud around it to collect vapors, I would think the net vacuum loss could be low enough to throw P0441. But I'm certainly no expert - just a guess.
What's the gain of running the engine while filling up? Running engine means lots of electrical charges and heat (not to mention actual combustion) happening - none of these are good to have around exposed fuel vapors. Why would you take that risk? Is it that hard to turn the key again?
What's the gain of running the engine while filling up? Running engine means lots of electrical charges and heat (not to mention actual combustion) happening - none of these are good to have around exposed fuel vapors. Why would you take that risk? Is it that hard to turn the key again?
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