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Found the cause for P1190 code . 1 injector was dead. Broken inside. Refurbished and cleaned. Now it works perfectly.

Done. Change them, cable to ecu and bosch sensor. Still P1190 MIL light on. Controlled the injectors and they are only 55000km and changing them doesn't modify this problem. Next step is to change the HP fuel pump pressure regulator to the rail. BOSCH 0281002480

After changing the hp common rail fuel pressure sensor and harness cable to ecu, same MIL light and P1190 code appear. Now controlled the injectors, and seams that 2 of them to be returning too much fuel to the tank. Invertigation now on the HP fuel pump and fuel pressure regulator, on the pump...

In the case of the Freelander TD4, Landrover released technical bulletin LTB00052 in 2007 which describes water ingress into the wiring loom between ecu and fuel rail pressure sensor. This damages the sensor and cause various performance and starting problems. Maybe this also occurs on the...

In the case of the Freelander TD4, Landrover released technical bulletin LTB00052 in 2007 which describes water ingress into the wiring loom between ecu and fuel rail pressure sensor. This damages the sensor and cause various performance and starting problems. Maybe this also occurs on the...

... ok, the problem is still here. Reading more carefully this thread, i will clean all connectors i find on the injectors circuit. Finally Then i will change the harness wiring between ECU and the fuel rail pressure sensor. Cheers

Same issue on my Freelander TD4 2.0 2003 BMW M47 engine. After replacing low pressure fuel pump, fuel filter, MAP sensor, MAF sensor, removing the EGR replaced by a by-pass. Cleaned turbo, injectors, air intake manifold, ... Tomorrow i will replace the common rail fuel pressure sensor which...

I received the bosch new part and will fit it tomorrow. The Bosch new part Tutorial is mentioning to use silicon grease on the O ring , the sensor + intermediate part' threads. Wrong O ring fitment can provoke fuel leakage. Silicon grease is used to lock the O ring in the right position.

Hi, and how did you fixed this issue ? Got same problem ...

Is it the one ? http://www.island-4x4.co.uk/fuel-pressure-regulator-repair-loom-ymq503320-p-6875.html

Nope for both ..

... well. I went back to my initial comments and notes when the MIL code(s) appeared. Î found that other codes were up : P1146 and P1116. When I cleared them, they never appeared again. Meanings are about fuel rail pressure too high linked with MAP sensor malfunction. In addition to this I...

Hello, Î am still struggling with this issue. Next step will be to control the fuel rail pressure with my i930 OBD Box. Need to be in the 20/25000 range.(idle) CAN be the HP fuel pump or sensor...

Thks for this information . It's good to know. Here some additional data in order to better understand this issue. http://myweb.tiscali.co.uk/andymacs/media/AKTrainingCommonraildieselpresentation_000.pdf

Thks for the comments here below , GrumpyGel. Î am pretty much sure the ÉCU has never been reprogrammed or modified. Some other hints to better understand my problem: When Î am accelerating the engine above 4000 rpm, without moving the car, the MIL light doesn't appear. When I leave the car...

We are still investigating this problem. In the meantime we changed the low pressure fuel pump and fuel filter. We changed the MAF sensor. The OBD code is P1190. When we drove the car in a mountain region above 900m altitude, the problem disappeared, and appeared again when the altitude went...

P1190 need to fix fuel rail pressure plausibility

Î have got the same problem, now. How did you fix it ? Thks

Î have similar problem with my Freelander MK1 TD4 2003 as described by SEACAT. Fault Code is P 1190. I already changed the MAF sensor and I will change the fuel filter today, 4 years old with 20.000 miles done. How did you fix your problem SeaCat ? Next steps : Could be the fuel high pressure...