Smell gas inside the car
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Joined: Dec 2006
Posts: 119
From: NJ
Smell gas inside the car
Hello guys.
I have a 94 honda accord ex.
it is winter in NJ and when i drove the car with the heat on. I could smell gas from inside the car.
if i don't open up the vent no gas but when open the vent i could smell ga
Is there a leak somewhere??
or it is the fuel filter need to be change??
I have a 94 honda accord ex.
it is winter in NJ and when i drove the car with the heat on. I could smell gas from inside the car.
if i don't open up the vent no gas but when open the vent i could smell ga
Is there a leak somewhere??
or it is the fuel filter need to be change??
Super Moderator
Joined: Sep 2006
Posts: 16,329
From: Houston, TX
You will need to troubleshoot when the engine is cold. A warm engine will make gas evaporate quickly, so you will not be able to see the fuel leak. A warm engine could also cause the fuel to ignite.
Turn the key to the II position, but do not try to start the car. Wait until the check engine light turns off (the fuel pump will pressurize). Turn key off, repeat a couple more times to build up fuel pressure.
In the engine bay, try to find the fuel leak. I would start at the fuel filter. Then move to the fuel rail and feel around the top and bottom of the injectors. Then check around the fuel pressure regulator. You may be able to see or feel the fuel leak. You may also find that one area of the engine has a stronger fuel smell to help narrow down the possibilities.
Has any work been done to the car recently?
Turn the key to the II position, but do not try to start the car. Wait until the check engine light turns off (the fuel pump will pressurize). Turn key off, repeat a couple more times to build up fuel pressure.
In the engine bay, try to find the fuel leak. I would start at the fuel filter. Then move to the fuel rail and feel around the top and bottom of the injectors. Then check around the fuel pressure regulator. You may be able to see or feel the fuel leak. You may also find that one area of the engine has a stronger fuel smell to help narrow down the possibilities.
Has any work been done to the car recently?
Super Moderator
Joined: May 2006
Posts: 18,398
From: Wisconsin
Fuel lines run under the left side of the floorpan of the car. I've had corrosion causing lines that didn't really LEAK, but almost like the line was porous & the fuel oozed out. It would barely make the lines wet cause it evaporated faster than it leaked.
It gradually got worse to where I could figure it out.
It gradually got worse to where I could figure it out.
Super Moderator
Joined: May 2006
Posts: 18,398
From: Wisconsin
Unplug wires from injectors, disconnect (-) post of battery. Probably spill some fuel so you don't really want sparks.
Pull the vacuum hose off the FPR #9 and use a MityVac or something to suck on that hose-barb of the FPR. That'll release as much pressure as possible back to the tank.
Unbolt the fuel rail #5 & you can probably leave it hanging on the hose. Be perpared with rags, etc. for fuel to spill out. Wiggle the rail to pull it off of the injectors. The injectors might stay in the manifold or they might stay in the rail. Pull em out of both.
Replace the insulators & seals (#2, 3, 29, 30) on all 4 injectors.
Then put it all back together.
Pull the vacuum hose off the FPR #9 and use a MityVac or something to suck on that hose-barb of the FPR. That'll release as much pressure as possible back to the tank.
Unbolt the fuel rail #5 & you can probably leave it hanging on the hose. Be perpared with rags, etc. for fuel to spill out. Wiggle the rail to pull it off of the injectors. The injectors might stay in the manifold or they might stay in the rail. Pull em out of both.
Replace the insulators & seals (#2, 3, 29, 30) on all 4 injectors.
Then put it all back together.
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