96 LUMINA GAS SMELL FIRST TIME START IN MORNING
96 LUMINA GAS SMELL FIRST TIME START IN MORNING
FIRST STARTUP IN THE MORNING GASS SMELL BAD. DISAPATES AFTER A FEW MINUTES, NO SMELL THE REST OF THE DAY.
Re: 96 LUMINA GAS SMELL FIRST TIME START IN MORNING
where does the smell come from? the hood area? A gasoline smell on your first start up may be a fuel leak. Check for a leak by cycling the key a few times but not starting up the engine. (turn the key until the warning lights come on in the dash but don't go to "start") that will build up fuel pressure in the lines and injectors. see if you can see or smell gas then.
evap hose leak, fuel tank leak... you need to test when the car has sat overnight while every thing is cold since that is when it happens. A smoke machine would be great to look for vent and hose leaks.
evap hose leak, fuel tank leak... you need to test when the car has sat overnight while every thing is cold since that is when it happens. A smoke machine would be great to look for vent and hose leaks.
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Re: 96 LUMINA GAS SMELL FIRST TIME START IN MORNING
If the smell is from under the hood and it also runs a little rough, check for a leaking fuel pressure regulator. Pull off the vacuum hose and look for gas.LEROY wrote:FIRST STARTUP IN THE MORNING GASS SMELL BAD. DISAPATES AFTER A FEW MINUTES, NO SMELL THE REST OF THE DAY.
3400 fuel pressure regulator
3800 fuel pressure regulator
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