the leak near the injector is probably from the return fuel hose thats hooked to the injector, it has a tiny oring that needs to be replaced. discovery 3 , 2006 , TDV6. 21st Jun 2021 4:17 pm. tareqyounis. Range Rover Sport / L494 Range Rover Velar / L560 Ti t l e 3.0L TDV6 & AJ20D setting variations of DTC P0087 in the PCM C a t e g o r y Engine L a s t m o d i f i e d 14-Mar-2019 00:00:00 S y m p t o m 404000 Fuel System Concerns C o n t e n t Issue: Variations of DTC P0087 are stored in the PCM for the fuel rail pressure sensor. Step 3. Work on either one of the fuel lines connected to the filter by holding the molded nut at the end of the filter with a backup wrench and unfasten the line retaining nut with a flare wrench. Use a shop rag to absorb any residual fuel in the line. Disconnect the line on the other end of the filter using the same procedure. Changing the Fuel Filter - Land Rover Discovery 3 TDV6. #Landrover #LandroverDiscovery #LR3In this episode we show you how to check the glow plugs of our Discovery 3 and LR4 TDV6 Diesel engine. And we talk about worn engine---compression pressure too low -- have a compression test done. if common rail diesel ---fuel pressure too low to work the injectors properly-- have an accredited diesel special shop test the pump pressure -- should be around 22.000 to 25.000 psi. Apr 05, 2016 • Cars & Trucks. 0 helpful. Claim offer. REPLACING THE FUEL FILTER ON MY 2005 DISCOVERY 3 2.7LTR TDV6, A NICE SIMPLE JOB FOR ALL YOU DIY PEOPLE. Then you will see a mount that is holding three fuel filter in place, has 3 tabs, but only 1 needs to be pushed, then just full straight up.. Once out, empty the fuel that's in the old filter and bring the old filter to your work bench next to your new filter, take a picture and note where the line Mark's are and just take of the bracket, it's Remove oil/air separator at rear of engine. Very difficult to remove as the clip that hold it in place breaks sadly - tight on seals. Remove oil filter and put to one side. Remove right hand glow plug cable assembly. Move left hand glow plug out of the way (rear one can't be accessed so you're kind of making room. gyrogypsy. 228 posts · Joined 2011. #10 · Nov 20, 2012. The fuel pump requires two relays to be energized - one from the ECM (Relay 116) and one in the rear fuse box (Relay 103). Both relays are controlled by the ECM (Module D131) Relay R116 is controlled by a switched negative from ECM (pin 23 on connector 604). hxsC3.