91 Explorer gas vapors
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91 Explorer gas vapors
For some reason, my 91 Explorer smells like gas whenever I turn the heater on(well, anytime the fan is on). Any ideas? I mean, before it wasn't too bad, and now it's almost getting intoxicating. I mean, I love the smell of gas as much as the next person, but now it's just getting terrible. And when people drive in the car with me, it's *****in embarassing! Plus, now I have a new lady-friend and I really don't want to scare her off because my car smells like gas everytime we go anywhere. ARGH!
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True, but I haven't noticed any puddles or anything of the sort.
Also, not saying this is the for-sure answer, so PLEASE keep feeding me advice, but what is/where is the charcoal filter? I need a pic or something. My Haynes book says that it could be clogged or somethin, but I can't find a pic of it to find what/where it is.
Also, not saying this is the for-sure answer, so PLEASE keep feeding me advice, but what is/where is the charcoal filter? I need a pic or something. My Haynes book says that it could be clogged or somethin, but I can't find a pic of it to find what/where it is.
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From: South Texas
My 91 was leaking fuel at the pressure regulator return line connection. Mine was a right angle push-to-lock connector and the seal was bad. You cannot buy anywhere but FORD & must buy both fuel hoses as a set. Price was $200, but it was either fork it out or call the fire trucks cause sooner or later there was going to be an engine fire.
Dialtone
Dialtone
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From: ut
Down by the fuel filter, my return line hose had "gathered" and kinked, preventing return of fuel vapors from the cannister back to the tank. I just straightened out the kinked line and fixed the smell.
Good luck.
Good luck.
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From: UT
Originally Posted by Acooljt
True, but I haven't noticed any puddles or anything of the sort.
Also, not saying this is the for-sure answer, so PLEASE keep feeding me advice, but what is/where is the charcoal filter? I need a pic or something. My Haynes book says that it could be clogged or somethin, but I can't find a pic of it to find what/where it is.
Also, not saying this is the for-sure answer, so PLEASE keep feeding me advice, but what is/where is the charcoal filter? I need a pic or something. My Haynes book says that it could be clogged or somethin, but I can't find a pic of it to find what/where it is.
I would still check carefully for a fuel leak, even without puddles. On a system like this, you're not necessarily going to see big puddle of gasoline under the truck. It will only leak while the fuel system is pressurized, which is only while the engine is running. Gasoline is volatile enough to evaporate without dripping onto the ground, too.
I think the first thing I would do is put a fuel pressure gauge on the fuel rail and ask see how long the fuel rail holds pressure after the pump shuts off. To ease diagnosis, there's a test lead in the self-test connector that can be grounded to run the fuel pump.
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OK guys, so I took the carbon canister OUT. Then I took the car for a drive with the heat on FULL BLAST!! And there was NO GAS SMELL!!! So, new carbon canister?
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Also, how do I test the VMV? I mean, I would think it's either the VMV or the canister because when I removed the canister, no more vapors. My Haynes book says to check for 12v at the harness side of it, but what does that prove? Just because it's got 12v doesn't mean it's working.
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From: UT
VMV (assuming aka CANP valve?) is ground side switched by the EEC-IV computer. 1st test would be to see if the solenoid is getting power (from the EEC relay). 2nd test would be to see if the computer can open the valve (Use a vacuum pump and output state test -- see "tests" at www.dalidesign.com/hbook/eectest.html).
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