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'99 E300td...check engine light?
My "check engine" light just poped on. What checks do I need to make to isolate the problem? Everything seems to be running normally.
thanks Bill |
#2
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If I remember correctly this car as an OBDII port that you can plug a code scanner into to get the engine code(s) - I would do that first then report back with that info.
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1987 Mercedes 300SDL; SOLD 1985 Mercedes 300D; SOLD 2006 Honda Pilot - wife's ride; 122K; 1995 Toyota Land Cruiser - 3X locked; 182K |
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Advance auto or O'Reilly's or other McParts places will do it for free. Or give you the reader to do it yourself. Like MercFan said, get the codes read and post them here. There are quite a few W210 owners or former owners here on the forum who can help you out.
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Muleears '07 E320 Bluetec 133K my DD '04 Jaguar XJ8 VDP, 34K '10 Hyundai Accent 60K Grocery Getter '02 VW Golf soon to be on the road again '97 E300 Diesel Son's DD '61 VERY tolerant wife Hampton Roads, VA USA Gone but not forgotten: '67 250S 95K '86 300SDL '87 300D Turbo, 364K! R.I.P. '98 E300 Turbodiesel, 213K '02 S420, 164K '01 Prius 138K |
#4
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Had the code read. It's PO400 which I'm told is an EGR Flow problem. What's the suggested fix please? And should this cause any problems on a 500 mile trip I'm suppose to take in next several days?
thanks Bill |
#5
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Quote:
thanks |
#6
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I believe the egr issue could be a simple vacuum connection loose. look over your engine compartment for loose or cracked vacuum lines.
if you take a trip with this error you will be running on limp mode, and will have lackluster performance.
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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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Quote:
Bill |
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Check teh vacuum lines from the egr (between charge air pipe and bottom of intake manifold) to the transducer mounted on the driver side wheel well. Make certain the "vent" exiting the transducer is open.
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Terry Allison N. Calif. & Boca Chica, Panama 09' E320 Bluetec 77k (USA) 09' Hyundai Santa Fe Diesel 48k (S.A.) |
#9
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The vacuum lines from the egr to the transducer look good. The hose that comes off the bottom of transducer goes to a plastic something that looks like a filter? How do I check the vent? Is it where this hose comes off the bottom of the transducer?
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That is the filter, it vents to atmosphere. Just make sure it isnt clogged as that can trip a code.
Did you clear the code and it returned?
__________________
Terry Allison N. Calif. & Boca Chica, Panama 09' E320 Bluetec 77k (USA) 09' Hyundai Santa Fe Diesel 48k (S.A.) |
#11
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Terry is correct, that filter is the vent. Even though it can look clean I would recommend you buy a replacement and replace it. Any small restriction will trip the 0400 code you had and those filters (there is one on the wastegate actuator for the turbo too) are cheap and easy to replace and solve the problem most of the time. Buy two, replace them both, reset the codes and drive.
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Marty D. 2013 C300 4Matic 1984 BMW 733i 2013 Lincoln MKz |
#12
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I did clear the code the other day and it returned right away. Bill |
#13
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Do a forum search here for P0400. There are many threads already on this exact code that should answer your questions.
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'98 E300 turbodiesel |
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Did a forum search under Po400 but didn't see an answer to the above?
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#15
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Unplug the line at the transducer and blow through the hose. You can drive without the vent for a few days too.
__________________
Terry Allison N. Calif. & Boca Chica, Panama 09' E320 Bluetec 77k (USA) 09' Hyundai Santa Fe Diesel 48k (S.A.) |
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