Question about 2005 Peugeot 407 2.0
Replace fuel filter and check for fuel leaks. Check and change the pollution canister or purge valve.
Posted on Mar 21, 2013
Could have bad fuel injector.or could have faulty transmission torque converter that will cause engine surge.
Posted on Mar 21, 2013
The initial oil leak will most likely be attributed to a worn seal or gasket. I'm sure your aware of this anyway. My concern is that the additives, although advertising a sure fix, may have made your problem worse. I personally don't believe you can buy any product that will fix faulty seals and gaskets as you drive. Typically we as drivers do not pay attention to a fluid leak in it's early stages. There might be a chance that then would be the time that these "gasket in a can" fixes would treat or slow down the leak. What will ultimately happen is the gasket goes bad anyway. Most of us don't notice the drips until they're all over the driveway. You see, if you were adding these things and not actually putting in the proper viscosity oil during this time. The oil got diluted and internal engine component wear may have been accelerated.The internal oil passages can clog and bearing surfaces can lose they're critical tolerances. In many cases causing low oil pressure. Your engine's oil pump pickup screen may be partially clogged with sludge as well after the motor flush knocked all the gunk into the pan.
As for the smoking, the oil rings on one or more pistons probably have broken. Your engine's pistons will have a couple of "rings" that seal the piston in the cylinder. There'll be a set of compression rings and an oil ring. The bottom ring is the oil ring that keeps excess oil out of the cylinder. What happens is the oil ring breaks and allows the engine oil up into the combustion chamber. There it's burned producing your cool James Bond smoke screen. Unless you plan on rebuilding the engine, chances are you'd be better of replacing it with a used one. It's usually much less expensive that way.
My vehicle at the time was a 1990 Acura integra w/200000 miles on the engine. One day as I was happily driving down the road....poof....James Bond!.. Car lost power and I couldn't see for blocks behind me. Didn't need GPS to find my house that day, just had to follow the cloud. This particular vehicle actually never smoked prior to that day. Anyway, I pulled the engine, and took it apart. Sure enough, as I had feared, the oil ring on #3 piston was broken. Ultimately I replaced the engine.
Good luck with yours, and I hope this helps.
Posted on Nov 14, 2008
SOURCE: peugeot expert 20 hdi
Hi, I have a 2.0HDI Expert which was doing the exact same thing as yours, blowing thick black smoke, sluggish and loss of power on gradients, a hissing sound and surging. I replaced the air flow meter but that didn't help. I was told to replace the turbo but a turbo expoert told me not to as it would blow white smoke if it was faulty. I was then told to replace the injectors but a diagnostic test showed them to be functioning fine. I was then told to look at the intercooler which had thick sludge at the lower left pipe. I replaced it today - Sunday 12th July and it is now driving like a new van. It now pulls me up gradients with ease in 4th and 5th instead of having to drop gear to get to the top. I got a replacement from Euro Car Parts for £147 inc VAT. To tell if this is your problem, look through the gaps in the lower section of the bumper at what looks like the radiator and look for sludge over the inside of the bumper and all over the pipe where it joins the back of the radiator (intercooler). Also open the bonnet and look down behind the grille for the same sludge. Hope this sorts it for you. Barry, Newtownards, Northern Ireland.
Posted on Jul 12, 2009
SOURCE: peugeot 406 1.9(110HDI) 2003
See if you can get the codes read, your model often has a particulate filter and all that entails but not allways on the 2,0 HDi, it seems too much of a coincidence to not be connected.
Posted on Jan 03, 2010
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