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twistoffat twistoffat is offline
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Join Date: Jan 2009
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This is an old quote in relation to this problem from the master himself Grady Clay

When you open the trunk or passenger compartment, do you smell fuel?
Is the car in a ‘sealed’ garage? If so, does it smell of fuel?

Has anything ever been done in/around the tunnel (fire extinguisher install, etc.)?
Does your A/C also draw air in at the rear of the tunnel (is there a grill or solid panel at the rear)?

The easiest diagnosis it to simply take the trunk carpet out and inspect.
It might be best with the fuel tank full to the brim (you can always pump the fuel out).
The places to look are at the breather/evaporative emissions system, the fill hose connections and the fuel level sender gasket.

While I can’t imagine finding fuel, it might be worth a look behind the passenger floorboard.

More likely is the area above the front ‘pan’.
Here is your fuel pump, the hoses and connections to the tank and to the pipes in the tunnel.
There are only three hoses with six connections and the pump.
Any leak should be obvious.
All it takes is slight discoloration where a hose meets the fitting.

About the only other possibility in front is the tank itself – VERY unlikely.

Fuel leaks at the engine are usually not noticed in the cockpit unless through the heaters (when on), not A/C.
When you are under the car, look at the two connections at the rear of the tunnel.

Needless to say, inspect everything in the engine compartment.
Fuel leaks there are critical.

Best,
Grady
Old 06-09-2011, 11:01 PM
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