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-   -   Evap Emissions leak said to be "electrical fault" (http://www.peachparts.com/shopforum/showthread.php?t=187261)

blackmercedes 05-03-2007 08:55 PM

Evap Emissions leak said to be "electrical fault"
 
My 98 C230 has been giving me some trouble with a leaky evap emissions system lately. Hooked it up to SDS today and no parts read as faulty, instead it showed "electrical system fault."

Now I'm stumped. My tech can't get the car in until the 28th, but thankfully this does not effect the driving of the car.

It has a new shut-off valve, underhood valve, fuel level sensors and gas cap, and SDS reads the components fine. Time to set fire to the car...

Carson357 05-03-2007 09:22 PM

Quote:

Originally Posted by blackmercedes (Post 1497506)
My 98 C230 has been giving me some trouble with a leaky evap emissions system lately. Hooked it up to SDS today and no parts read as faulty, instead it showed "electrical system fault."

Now I'm stumped. My tech can't get the car in until the 28th, but thankfully this does not effect the driving of the car.

It has a new shut-off valve, underhood valve, fuel level sensors and gas cap, and SDS reads the components fine. Time to set fire to the car...

what actual value does it give for the tank pressure sensor? should be close to zero with the gas cap off

TimFreeh 05-03-2007 10:01 PM

Quote:

Originally Posted by blackmercedes (Post 1497506)
My 98 C230 has been giving me some trouble with a leaky evap emissions system lately. Hooked it up to SDS today and no parts read as faulty, instead it showed "electrical system fault."

Mercedes should not bother to issue a message like this, In a modern Mercedes I pretty much expect the electrical system to be malfunctioning at any given point in time. A better warning message would be "electrical system working normally"

Is the check engine light on or is the reserve light blinking?

blackmercedes 05-03-2007 10:06 PM

Quote:

Originally Posted by TimFreeh (Post 1497567)
Mercedes should not bother to issue a message like this, In a modern Mercedes I pretty much expect the electrical system to be malfunctioning at any given point in time. A better warning message would be "electrical system working normally"...

Funny, but sadly true.

Quote:

Originally Posted by TimFreeh (Post 1497567)
Is the check engine light on or is the reserve light blinking?

Both.


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