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I smell fuel...not good - Mercedes-Benz Forum
 
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post #1 of 8 (permalink) Old 01-29-2013, 11:23 AM Thread Starter
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I smell fuel...not good

So, fuel gauge not working,in fact it is reading full or very nearly full. I have convinced the wife to top off the tank every 200 miles to be safe. Pulled the sending unit and found no problems except the O-rings looked very dry and cracked , put it back together and ordered new ones, wow the gas smell was real bad, would not let her drive it , so O-rings have been replaced,$13.00.
Now she still complains about smelling gas, and says she has all along. I cannot find the source of this problem. Have been looking over the fuel delivery and all fuel related 'things' , suggestions?
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post #2 of 8 (permalink) Old 01-29-2013, 11:33 AM
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$200 please.

Remove air filter housing, start engine, review back of fuel distributor for fuel weeping out of EHA. Replace EHA.


Damn, make that $263: https://www.autohausaz.com/search/pr...%20Distributor

Last edited by cbc atl; 01-29-2013 at 11:37 AM.
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post #3 of 8 (permalink) Old 01-29-2013, 11:56 AM
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^ What he said. Very common with our geriatric cars.
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post #4 of 8 (permalink) Old 01-29-2013, 12:00 PM
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Quote:
Originally Posted by cbc atl View Post
$200 please.

Remove air filter housing, start engine, review back of fuel distributor for fuel weeping out of EHA. Replace EHA.


Damn, make that $263: https://www.autohausaz.com/search/pr...%20Distributor
Replace the seals between the EHA and the FD first! Worth a try and its only $8!!!

Or leak from the fuel filter copper washers....

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post #5 of 8 (permalink) Old 01-29-2013, 01:03 PM
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I would not even try just the seals (again), false hope. If it is leaking, get a brand new one.
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post #6 of 8 (permalink) Old 01-29-2013, 05:30 PM
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Quote:
Originally Posted by cbc atl View Post
I would not even try just the seals (again), false hope. If it is leaking, get a brand new one.
Its worth the try, I replaced a leaking EHA with new o rings and hasnt leaked
since 2007. Cost me a whooping $4.00 at the dealer on top of it. Sometimes you get Lucky.
Good Luck

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post #7 of 8 (permalink) Old 01-29-2013, 06:26 PM
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Try the easy & inexpensive repair first-as many others have stated. Try new O-rings, if they don't work, than get a replacement eha. It takes all of about 10-15 minutes to replace it. Good Luck- Denis
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post #8 of 8 (permalink) Old 01-29-2013, 09:00 PM
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Quote:
Originally Posted by cbc atl View Post
$200 please.

Remove air filter housing, start engine, review back of fuel distributor for fuel weeping out of EHA. Replace EHA.


Damn, make that $263: https://www.autohausaz.com/search/pr...%20Distributor
Sure try the seals, etc first...nothing to lose...
but if it is the EHA importec.com approx. $220.
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