P1220 Y20DTH Engine

[Andr33iy98]

Hi,
I receive this p1220 fault on my astra g y20dth engine, I replace the transistor from fuel pump, the engine start fine but he is in LIMP MODE, he cannot rev above 3k rpm, no smoke, but lack of power because no rev . I also replace the fuel filter. What can i do ?

[janusz21]

replace timing valve pump ,if it does not help, replace the pump mechanical malfunction presure ON

[Andr33iy98]

Can you give me a diagram, I DO NOT KNOW WHERE IS SUPPOSED TO BE

[Rov Gti]

It is fitted on injection pump, 10-15 ohms

[Andr33iy98]

where ? It is a resistor ? Can you post a picture of it or some diagram ? I already replace the transistor from fuel pump computer.

[janusz21]

this Timing device control ,replace if it does not help, replace the pump

[Andr33iy98]

I got 2 wires short ciircuited, done, but still has P0400 (5) error on diagnosis. What is that (5) ?

[janusz21]

P0400 its egr

[Andr33iy98]

EGR is new, it is working on another car, vaccum pump also good, no leaks,