What would cause gasoline to leak from front of engine?
I'm almost certain it was just from my coolant res. It fills up with gasoline because of the numerous internal engine problems.
But I was wondering if there was anything towards the front of the engine bay? the puddle didn't look like it was under the engine more under the rad/fan. |
your coolant resevoir fills up with gas ?? also, fpd possibly causing leak
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Mazda gave you a way to find the fuel leak. They made a two socket elect connector with two wires located near the right front strut tower and gave it the name *check connector*. IF the key is put to ON, and the two socket connector is jumpered with a piece of wire, the fuel pump will run and pressurize the fuel rails and hoses.
So, what you do, is just that. Jumper it and turn the key to ON. Then watch for say 20 minutes for fuel to gather somewhere. You might not see the source right away and have to remove the dynamic chamber/intake manifold to spy the leaking area. Have fun. I had a leak once and it was a pinhole leak in one of the rubber hoses under the intake manifold. |
HAILERS; I've got a fuel pump switch under my cd player because my car is always flooding from low compression.
I'm guessing turning it on and trying to locate it would be the same, btw thanks for the advice. Don't know why I didn't think of that before. |
Well you would need to turn your fuel pump switch on, then still do the same thing Hailers said. The fuel pump will not turn on with the key to ON unless you jumper the check connector.
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Really? Because my fuel pump sounds like a beast and I can hear it running when I flip the switch ?
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Not to break the fun, but have you thought about your pulsation damper? If you have any questions about that, the search button far above is your ticket to loads of info on that subject.
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Originally Posted by slitherz90gxl
(Post 9817348)
Really? Because my fuel pump sounds like a beast and I can hear it running when I flip the switch ?
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Originally Posted by RotaryRocket88
(Post 9817386)
The only way this would be possible is if you (or a previous owner?) bypassed the stock wiring to the pump. The AFM has a switch that prevents the pump from running if the engine is not producing vacuum. The test connector gets around this switch.
If this is the case, then this guy has in my opinion, a SERIOUS safety issue on his hands. Let's say he wrecks and is knocked unconscious. Maybe through no fault of his own... Drunk asshole T-bones him... So he's unconscious, car's all mangled, and the engine stalls. Fuel pump is still running though, and if there are any fuel leaks from the wreck, he's sitting in a puddle of fuel waiting for any small spark, say from a broken electrical wire that may also have been cut in the wreck. |
Not to break the fun, but have you thought about your pulsation damper? If you have any questions about that, the search button far above is your ticket to loads of info on that subject. The only way this would be possible is if you (or a previous owner?) bypassed the stock wiring to the pump. The AFM has a switch that prevents the pump from running if the engine is not producing vacuum. The test connector gets around this switch. |
Originally Posted by slitherz90gxl
(Post 9816892)
I'm almost certain it was just from my coolant res. It fills up with gasoline because of the numerous internal engine problems.
But I was wondering if there was anything towards the front of the engine bay? the puddle didn't look like it was under the engine more under the rad/fan. I did have a pinhole leak in a fuel line on a non turbo car and the hose ran from the primary fuel rail to the secondary fuel rail. But the spray of fuel from the pinhole leak was blown aft towards the rear of the engine by the fan. So I don't see how fuel could be in front of the front pulley assy at all. Especially with the engine running. Fuel in the water? Going into the coolant reservoir??? Hard to picture a scenario like that. |
I'll take pictures of my coolant res once I find my stupid usb cable to upload pictures with.
I'm pretty sure all that happened was once I shut the car off the coolant shots out the overfill because of the blown seals. The coolant dries up but the gasoline leaves a stain. The coolant seals were blown because of a bad rad. cap about two years ago. It has ran 20k miles or more since then, and still running pretty strong; still redline it a few times a week. I do get 8 or 9 mpg though. That is why I'm swapping a TII though, I figure this engine has got to be pretty haggard on the inside. |
Ah, so your getting combustion gasses in your cooling system because of your worn/blown coolant seals, and making your coolant smell like fuel? I guess you get loads of white smoke too?
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Ah, so your getting combustion gasses in your cooling system because of your worn/blown coolant seals, and making your coolant smell like fuel? I guess you get loads of white smoke too? It is like a rainbow of colors out my exhaust. This is why I will not get rid of this car. |
never heard of gas getting into the coolant res before. i would fix that wiring for the fuel pump too while your at it.
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