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View Full Version : Astra H Z19DT, DPF OFF, rev problem



mbi
18th October, 2022, 11:22 AM
I have Astra H Z19DT with DPF phisycally removed. Engine won't rev more than 2000rpm.
There are DTC:
P1604 - Replace electronic control unit (ECU)
P1901 - Particle filter pressure sensor
P1902 - Exhaust Gas Temperature sensor Circuit Bank 1 Sensor 2

I think software is original. Could someone help with good DPF solution?
OBD read flash attached.
Ecu is 0281012549, 1037A50359

budata
18th October, 2022, 12:51 PM
Hi put a 500 ohm resistor on the dpf sensor......just try it...

mbi
18th October, 2022, 01:59 PM
Hi put a 500 ohm resistor on the dpf sensor......just try it...

I put resistors on dpf pressure sensor and dpf temp sensor and now engine revs over 2000rpm. P1901 and P1902 disappeared. I looks like I need good dpf off solution for this.

budata
18th October, 2022, 03:02 PM
You can safely drive the car like this... :)

mbi
18th October, 2022, 05:11 PM
You can safely drive the car like this... :)

Is this dpf off solution for this car? Or my file is already dpf off?
I wonder if limp mode comes back after some distance.