[wmuldowney]

I see references to the DME made all over, and even recommendations to replace/swap with part from another car. What exactly is this? I tried to search but DME was too litte info to return any hits

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[94SilverCab]

Not to panic...what is generally referred to is the DME relay (found in the fuse box). This very cheap ($27) part is often the cause of hot start issues, etc. It is extremely ordinary for this part to fail and many of us keep a spare in the glove compartment "just in case". I know it's the 993 part number but can't put my fingers on it right now.

The DME itself is the "brain" of the car (located under the floorboard) and is pretty pricey if it ever goers bad (on the order of $1,500).

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[blue-968]

What does the abbreviation stand for??? I think it a relay in the fuse box.

thanks

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[flash]

there is both a DME (digital motor electronics) and a DME relay - the DME is under the passenger floorboard - the DME relay is in the fusebox under the hood

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[blue-968]

Have there been any problems with the DME under the passenger's seat??
Thanks for the clarification on the abbreviation

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[flash]

as stated above, it is in the footwell, under the floorboard, not under the passenger seat, but no, there are not normally problems with it - they happen, just like anything, but are pretty rare

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[Langley968]

Went for a drive on Sunday with my wife and a few miles into the drive felt the engine "stumble / falter" a bit. Thought about all the DME relay topics I have seen on the Forum. Turned around and went home and changed cars.

Picked up a new DME relay and a new fuel filter a few days back and put the DME relay in last night at 10:30 pm. Just had to test it out, so I went for a cruise and NO "stumble / falter" issues! I still will replace the fuel filter, since I do not know when it was last done.



QUESTION: if I remove the DME relay BEFORE replacing the fuel filter, will that be enough to avoid the fuel pump turning on and spitting gas everywhere?

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[flash]

the lines will still be full of fuel, but the pump won't turn on if the key is off

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[Langley968]

[quote name='flash' timestamp='1340926595' post='128751']

the lines will still be full of fuel, but the pump won't turn on if the key is off

[/quote]



The reason I asked about the fuel pump, is because of an incident that occured a few years back at the truck body plant where I work in sales. An employee (on his time off) went to change the fuel filter on his car, using one of the bays in the Service Department. He did NOT disconnect the battery beforehand, so that when he pried the line off the filter, the pump was activated and started spewing gas everywhere. The gas hit a work light he was using, which then caused a fire to start. There was a barrel close by with soiled shop rags (probably soaked with some type of combustible fluid), which caught fire and sent flames shooting up to the roof (flat / tar warehouse-style), causing the entire Service Department buidling to burn up. About eight vehicles were lost in that fire, some of them brand new. The end cost was tallied at well over $7.5 million. The employee suffered severe burns, but recuperated and is still employed!

So... I want to make sure I do NOT burn my house to the ground when I change my fuel filter! <img src="/forum/images/smilies/968/rock.gif" class="smilie" alt="" />

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