[200q20v] fuel smell

[Peter Schulz]

At 11:22 PM 12/5/2001 -0500, Donna or Chris Locke wrote:
>Hi all.  '91 200 20vtq, my wife's car.  I get a very strong gasoline
>smell at times.  It doesn't seem to matter whether the fuel tank is
>empty, half, or full, regardless of how the car was driven prior to
>smelling the odor, this smell of gas pops up.  Outside the car,
>passenger side, right near the rear door (of course, right where all the
>fuel stuff is located!!) and on occasion, you can smell it inside.  I
>looked all over for drips, none to be found, some rust here and there on
>the seam of the fuel tank, but the seams look dry.  Took it for a ride
>tonight, really drove it, hard cornering, hard braking, hard
>accelerating (my kind of driving anyway!!) and got home with no smell.
>NOW, about 5 minutes after I shut off the engine, I got one quick whiff
>outside the car, by the rear passenger door.  No smell in the trunk,
>very very faint where the rear seat used to be, nothing up by the
>headrest or seatbelt area.  I'm really lost on this one.  Anybody else
>come across this one?
>
>Thanks for the help..
>
>Chris Locke
>'91 2C20VTQ
>'86 4KCSTQ
>
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Chris:

Same problem with my avant- additionally, the car is hard to start in warm
weather, but starts easy in colder weather.

I also noticed that there is no pressure release when I open the gas cap-

I've replaced the FPR,  had the injectors balanced and blueprinted ( they
were in rough shape) and replaced the injector seals, fuel pump and valve.

I pretty sure that I have a venting problem in the area of the tank, which
is affecting residual fuel pressure and therefore warm weather starting...

I have unfortunately no really had the time to drop the tank to check
everything out.  Dropping the tank means dropping the rear driveshafts and
diff, btw.


-Peter



Peter Schulz
1990 CQ
1991 200 20v TQW indigo mica
1991 200 20v TQW titanium grey
Chelmsford, MA USA
peschulz at cisco.com