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low R.P.M after start up

1783 Views 3 Replies 2 Participants Last post by  chittychittybangbang
HI, i own a Skoda Octavia TDI 2001 ( it's a VW ALH TDI). The problem is, i was driving fine, stopped for a while, when i started up again, it started well but after 5 seconds the R.P.M dropped to 600 (in ralenti), when press the gas the engine stall, not acelerate and finnally shut down. There's is a lot a smoke in the exhaust pipe. The engine starts up fine everytime, and also when apply full aceleration works fine for 5 seconds, after that the R.P.M drops. There are no light in dash, and no fault code shown. i verified the timing belt, and it's ok. The turbo it's ok. Recently changes made:

1- Air Flow meter
2- Filters (diesel, air, oil)
3- Oil

Please help!!!

1 - 4 of 4 Posts
Possible things - bad fuel - bad fuel can cause strange running

-anti shudder valve broken - this is the throttle-like valve on the intake manifold, check to make sure the plastic arm is OK and that it's not stuck, if it was the engine would not get enough air
-bad ground or ecu - cause engine running problems
-bad injection pump shut off solenoid or wire

The smoke sounds like unburnt fuel or oil, the question is why? A bad air flow meter normally does not cause this symptom. This type of problem is often related to the turbo but you say it's OK.
you are right!

You are right, it was the valve.

The anti shudder valve? Where/how was it broken? double post removed.
1 - 4 of 4 Posts
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