Something I just had done was to replace my intake manifold and heat exchanger. It was so clogged it srunk from a baseball sized hole to about the circum. of a dime. It was sucking away my power. If you get it cleaned about every 30,000 km. then you will probably not have to clean it. I just had it changed at about 190,000 km.
Just stumbled into this, potentially having problems with a stuck EGR valve on a 2002 Beetle Tdi. The valve comes integrated in a larger piece which seems to run about $200. Add in diagnose and labor and the fresh gasket, but that still should not add up to $1200 imho. It better not be that for me!
Why I reacted here was because you wrote:
" I flushed and changed oil but no change."
What made you think that would have any effect at all?
EGR has nothing to do with oil. It is the controlled feedback of some exhaust gas back into the intake to reduce NOx gas emmision.
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would need a look iam afraid as it sounds like its sucking the oil fumes as it should into the engine but its drawing too much as a filter is missing in or around the breather pipe area ,either that or its just been hammered and now its needs new rings and a valve guides ,without a good look myself i honestly couldnt say
Well, a little oil in the intercooler is okay but a lot is not. Excessive oil in the intercooler usually means the seals in the turbo are leaking. VW diesel have a very bad problem with clogging the intake with carbon. If you remove the intake tube at the throttle body, hold open the "shut down" plate (the butterfly in the TB) and look with a light you will most likely see a huge restriction from goopy, black, carbon. The only way to clean it out well is to remove the intake and clean with carb cleaner, wire brushes and chisels. This could be the cause of overfull oil level (unburned fuel leaking down the cylinders due to lack of air flow from intake. I have seen and repaired lots of these and this sounds like your problem. Best of Luck
To me if the engine will not idel and stall once you have stopped, that points to an IAC (Idle Air Control sensor) which is located on your throttle body. The part is very easy to get to and changes out pretty quickly. Hope this helps. Thanks for an honest rating and for using FixYa!
if the needle is on or around the letter N then thats normal. you can also change the oil sending unit. as far as the engine light once you change the EGR valve and the EPT sensor the engine light should go off
Idle compensation is not correct due to one or more of the following; Bad/clogged air filter, vacuum leak, EGR valve, PCV valve, head gasket leaking, bad gas, water in fuel, fouled plugs, 02 sensors need replaced, locked torque converter, etc. These have not been listed in order of expense; just as they come to mind...accordianman
according to haynes beetle repair the code is turbocharger boost pressure control valve positive deviation. to trouble shoot
check the wiring, connecting pipes.using a hand held vacuum pump apply vacuum to the wastegate actuator,(with engine not running) check the actuator arm and lever for freedom of movement , disconnect the electrical connector from the boost pressure control valve. using an ohmmeter check the solenoid windings for an open circuit, the boost pressure control valve should measure about 25 to 35 ohms if excessive resistance or open circuit is indicated replace control valve.
a scan tool is required for a complete diagnosis of the system control circuits some may be rented from a local auto repair store hope this helps and norrows it down for ya