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#1
04-26-2013, 08:41 AM
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So, I'm sitting in a tow truck...
Alright, I'm stuck in traffic on my way into work on 395 and suddenly loose power. Kind of like when the fuel filters were clogged. The car starts but has a hard time idling and then dies. I'm thinking a diesel purge is in order. Any thoughts to entertain me while my car is being winched onto the truck? I hope everyone else's morning is better than mine!
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#2
04-26-2013, 09:02 AM
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Probably a batch of low quality fuel. I'd swap your supply/return lines to blow them free and replace the filters. Don't forget to put the lines back to normal.
__________________
$60 OM617 Blank Exhaust Flanges $110 OM606 Blank Exhaust Flanges No merc at the moment
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#3
04-26-2013, 09:20 AM
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Whens the last time you changed fuel filters?
__________________
 1985 Euro 240D 5 spd 140K 1979 240D 5 spd, 40K on engine rebuild 1994 Dodge/Cummins, 5 spd, 121K 1964 Allice Chalmers D15 tractor 2014 Kubota L3800 tractor 1964 VW bug "Lifes too short to drive a boring car"
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#5
04-26-2013, 09:32 AM
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Are you sure you do not still have some crud in the tank (or possibly some algae/bug growth causing issues. Check the primary filter (clear/semi-clear in line first) and see if you have gunk in it. If you do, you might want to drain the tank and check the screen again. Not saying you do, but you MIGHT have gunk in the tank. Look up my post titled SAND in the fuel tank to read about my recent issues.
__________________
2012 Mercedes ML350 Bluetec 91K (hers) 2005 Corvette 55K (fun car) 2002 VW Jetta TDI 231K (mine) 1998 Volvo S70 T5 Turbo 196K (kids) 1994 Ford F150 4WD 249K (firewood hauler) 1983 Mercedes 300D 376K (diesel commuter)
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#6
04-26-2013, 10:41 AM
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If the tank filter was clogged and replaced that recently, my money is on algae. Time to replace all the filters and add some biogard, but it might best be done AFTER the tank is removed, drained and thoroughly cleaned.
Were there little soft, BB sized, grey pellets in the tank filter?
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2001 SLK 320 six speed manual 2014 Porsche Cayenne six speed manual Annoy a Liberal, Read the Constitution
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#7
04-26-2013, 10:50 AM
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Some days just suck out loud. Especially if you have to listen to tow driver drivel about what is likely wrong with your car, for a good chunk of the ride. All tow drivers are secret master mechanics... you knew that, right?
 Did you add anything to your fuel after you cleaned the tank strainer? One member of another list I was on dumped in some system cleaner after he thought he had cleaned the tank and the chemical basically stripped the remaining crud off the surface and promptly plugged up the strainer again.
__________________
 Mac 2002 e320 4matic estate│1985 300d│1980 300td Previous: 1979 & 1982 & 1983 300sd │ 1982 240d “Let's take a drive into the middle of nowhere with a packet of Marlboro lights and talk about our lives.” ― Joseph Heller, Catch-22
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#8
04-26-2013, 11:13 AM
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If the tank strainer was cleaned recently I think algae would be a stretch so soon.
__________________
Steve A 92 W140 OM603 97 VW Jetta TDI 90 Passat variant TDI 6 speed MT 94 Chevy K1500 6.5TD 05 E320 CDI + others
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#9
04-26-2013, 11:24 AM
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Make sure the fuel supply and return lines are connected properly in the engine compartment. My w116 had a problem similar to yours, and after replacing all the filters, cleaning the tank and tank strainer I discovered the fuel lines got swapped and it was making the car run like crap
__________________
1982 300D Turbodiesel, daily driver. Mods so far: Fram 8038 paper filter, 4 brake light mod, Gen II w126 (front) rotors/calipers, boost turned up to 12lbs, non-egr manifolds, water/methanol injection, 4-speed manual 1980 300SD Turbodiesel, project car, nearly ready to hit the street 1974 240D, New paint
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#10
04-26-2013, 11:27 AM
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slime from recent fill up is my bet.
pull your primary and see if it's full of clear goo...
__________________
John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread "as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do! My drivers: 1987 190D 2.5Turbo 1987 190D 2.5Turbo 1987 190D 2.5-5SPEED!!!  1987 300TD 1987 300TD 1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere!
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#11
04-26-2013, 12:10 PM
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Thanks for all of the replies! The car is towed back to my house and I FINALLY made it into work. When I first had the lack of power issue, I changed the two filters. When that did not fix it, I had it towed to a shop and they drained the tank and cleaned the tank filter. They did not clean out the tank completely, I assume, because they did not mention that they did.
I drove the car from PA to DC with no hiccups and I have since driven it around town and on the highway briefly. I drove it yesterday and it seemed to be ok, at least I did not notice anything to extraordinary. Today, I was in traffic and the car seemed to struggle and then die. I moved it to the emergency lane and opened the hood. The clear filter does have a layer of black gunk on the screen. I am going to drain the tank, clean it, do a diesel purge and change the filters. Thanks everyone for the ideas. -DC Josh
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#12
04-26-2013, 12:28 PM
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I'd put in a new clear filter (primary) and dump in a bottle of PS Diesel Clear, or Starton Tank cleaner.
all the black goo will melt away and cleanly flow into the filters.
__________________
John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread "as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do! My drivers: 1987 190D 2.5Turbo 1987 190D 2.5Turbo 1987 190D 2.5-5SPEED!!! 1987 300TD 1987 300TD 1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere!
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#13
04-26-2013, 12:29 PM
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BLACK GOO/Algae/Fungus/Bacteria/BUGGS etc...
it's just asphalt. Diesel recombining into a portion of crude... it just needs to be recombined...
__________________
John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread "as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do! My drivers: 1987 190D 2.5Turbo 1987 190D 2.5Turbo 1987 190D 2.5-5SPEED!!! 1987 300TD 1987 300TD 1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere!
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#15
04-26-2013, 06:20 PM
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From my experience on diesel boats if you add a biocide to kill the algae in the tank you will end up with clogged filters full of black goo. What I have done in the past is to add the biocide, run the engine til it stops due to clogged filters, replace filters and do it again. The primary is cheap to swap out. Its a pain, but you end up with clean fuel. Or have the tank drained and cleaned and filled and drained and cleaned again.
Hope you get it sorted. Matt
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