Fuel Tank Pressure...
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Fuel Tank Pressure...
I've noticed that the past 3 times I've put gas in my SC4, when I unscrew the gas cap, there is no pressure releasing at all, no hissing or anything. Before, when I unscrewed the cap the pressure would almost push the cap off itself. Is this a problem or maybe just weather related? I haven't noticed anything else wrong, I did get a faint smell of gas the other day when I turned the car on with my door open, smelled unburned but I might be wrong. Any input would be much appreciated. Thanks
#3
The car will check to see if the fuel system is intact. It will pressurize the system and check for leaks. If there is a leak found it will turn on the "check engine" light and store a DTC in the ECU. Log and short of it. No light, no problem.
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"No light, no problem. "
Thank god for sensors and other thing-a-majigs.
I think I'll buy a new gas cap just to be safe, from what I've read it can help with gas mileage, makes no sense to me but my wallet might appreciate it.
Thank god for sensors and other thing-a-majigs.
I think I'll buy a new gas cap just to be safe, from what I've read it can help with gas mileage, makes no sense to me but my wallet might appreciate it.
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