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Old 02-08-2009, 07:03 PM   #3
Panchoz3
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Join Date: Sep 2007
Location: Natick, Massachusetts
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Re: Need drain fuel tank--bad gas. How ???

Eclass,

Youv'e been a big help, but I have a few questions, and still
need some of your help.

I made a fused jumper and connected it as per your instructions.
On the fuel rail, I did something a bit different. I used a regular
valve stem tool, and removed the stem valve, then connected
a hose.

Gas drained well for about the first 4 gallons, then slowed down
a lot, to just a trickle, about 10 minutes to the gallon. I drained
about another 3 gallons, then I disconnected the jumper
because I was afraid that something was going wrong.

So, a couple of questions.
1. Is it supposed to drain this slowly ?

2. Did I screw up the process by removing
the stem valve altogether, instead of using a
pressure tester without the guage ?

3. The gasoline looks much cleaner, not deep urine
yellow like at first, with a separation water line at the top.
Now it's looking clear with a slight yellow tinge., and no
discernable line. Is that right ?

4. After I drained the first 5 gallons, I temporarily reinstalled
the relay, and closed up the fuel rail, and tried to start the
car. It started, which was great, since it was absolutely not
starting before. It is running very rough, but it idles, and I
can rev the engine. By the way, I changed out the CPS a
few days ago and it didn't help. That was before the bad
gas idea came up. Right now, it is idling in the drive way
and still has half a tank of gas. I was thinking of adding s
ome of the dry gas products and see if that helps.
What do you think ? Any advice would be greatly appreciated.

Allso, I am attaching a link to a photo of what I have done.

Again, thanks.
Link:
http://www.panchogun.com/FVWebPhotos...n-Gas-Tank.jpg
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CLK430 Cabriolet, bought it new in year 2000, Chassis# W208, Trans#722.623, Engine #113.943
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