undetectable malfunction

2006 model pejo partner combivan 2.0 hdi 66000 km on my original car engine malfunction lamp burned the vehicle does not eat gas 2800 / cycle does not exceed. I will be very happy if the kind of malfunction and resolved friends and our expert masters can help.

I have the same error in my car right now .. The engine gives this error when it takes over 70 degrees to rotate the throttle and raise too many revolutions .. The sender cable is not connected ..

When the ignition is turned off and on again, the fault light is on, but the car is working normally and goes off. After 1 hour, the light turns off.

For 5 days, the authority of Kayseri has been in the service (Inciroglu).

Probably the friend solved this problem, but I am writing it as a solution to friends who will examine the subject as a very fainted person when I get the tool because of the same problem. When I asked the acquaintance I know, I have canceled the egr of them again by saying that the disease is sick again. No problem for 3 years.