P0141 lambda sensor 2 heater circuit malfunction
P0130 lambda sensor 1 malfunction
P0303 cylinder 3 missfire
P0230 fuel pump circuit malfunction
P0300 random / multiple cylinders missfire
P0460 fuel level sensor circuit malfunction
P0443 evaporative emission control system purge valve circuit malfunction.
So many errors. What I would do:
- check bougies (wet, oily), to be changed with model 2 electrodes only
- check bobine with osciloscope on primary circuit, in this way you can see if ecu is ok or not, put bougies outside on bobine and trigger one by one with opcom, check spark
- check compression on each cylinder
- replace lambda sensor 1, check values
- verify and measure lambda sensor 2 heater circuit, if resistance is ok;
- verify heating circuit for lambda sensor 2, from ecu to the sensor plug
- replace lambda sensor 2 in case above not working or not good values
- check purge valve with opcom actuation, measure with osciloscope the signal (PWM)
- replace ecu if still problems with above
- clean egr and test
- clean admission valve
There is no lucht massa meter.
