I have Yeti 4x4 Diesel 2.0 103kw TDI almost 1 year.

Unfortunatly, I met 2 problems with this vehicle until now:

1. The warning light for Glow Plug System begins to flash while driving

2. The warning light of Control system for Exhaust ligts up when driving.

After problems were solved in Service I found that the engine shows operating noise and run faster than before.

(The pointer of revolutions is 800 when the engine idling ).

For example when I drive on flat surfice into second gear and remove my leg from throttle the vehicle keep going ,not to slow down and I must use the brakes to stop.

What do You think , is this another problem?

Please advice me What am I to do about this?

Thanks

I don't think you have a problem. The engine speed is controlled electronically by the ECU so it is set at 800 rpm for idle. Now, as the ECU cannot judge if the engine is just idling or is in gear and driving the car along, it will try to keep the revs at 800 irrespective of the engine load.

This can be quite useful as you can use this to make the car crawl along, say, in traffic or to tow a trailer slowly.

The TDI engine has the Diesel Particulate Filter (DPF) in the exhaust system. This occasionally has to be "regenerated". You will notice an increase in the engine speed to 1000 rpm while this is happening.

Sounds like the anti stall keeping the car rolling in 2nd to me, the ECU will allow more fuel in to maintain the rpm at idle of ~800rpm. Take your feet off the pedals in 1st, 2nd or 3rd and the car will just roll along at whatever speed the gear ratios provide when the engine is running at ~800rpm.

I have found by experimentation, since I have a steep gravel drive that the best way to move away without risk of spinning the wheels is to just let the clutch up slowly as I release the brake. The car just starts to crawl backwards in reverse at very low speed. The engine does not stall as long as the brakes are released at the right time. This is much better than the traditional method of reving the engine and slipping the clutch, as this risks wheelspin in the gravel and is wearing out the clutch. Obviously in first or second gear the car is not going to stop until you depress the clutch, why should it?

Depending on the speed of traffic in a hold up I often let the car trickle along in first, second or even third gear with no throttle applied, this avoids starting and stopping and clutch wear, just select the right gear for the average traffic speed, and you can always add some throttle if you need to go faster. The engine management system applies anough power even to go up failry steep hills at tickover in these gears as long as the gear suit the required road speed