With multiple injector failures, that one bank had all fail, I'm not feeling really comfortable with just replacing fuel injectors. Injectors are just solenoids that the ECU actuates with ground. Remove the ground and internal springs return it to closed. One injector fail due to mechanical/electrical failure? OK. ALL injectors on a bank fail at the same time? Hmmmm .......... fuel contamination. I'd be consideriing a complete fuel system flush before installing the new injectors. In addition can the injectors be cleaned? Maybe even in place? I'd be having a sit down conversation with the mechanic on root cause given the "All" aspect.
I'm really not sure this LR dealer is competent. They're trying to tell me it would be $4000 to do just injectors, I asked if it could be fuel contamination and they're trying to say they can't tell. I asked if they checked HPFP was functioning correctly and they're not sure and said "the sensors in this car don't tell you which injectors or not working or if the HPFP is the problem. I'm really unsure of what to do. I'm already going to be out the cost of their "diagnosis". I would NEVER pay $4000 to get them to replace 6-fuel injectors ever. I'm going to call over later this morning and ask to speak to the mechanic instead of this service advisor trying to play telephone with my questions and giving me answers that don't even make sense.
I know for sure they can tell exactly which cylinders are experiencing misfires, which injectors are allegedly throwing codes of "stuck open", and measure fuel rail pressures, etc.
These half baked answers and outrageous cost to replace 6 injectors just make me question the honesty or even competence of these people. These are the same people that put the wrong diff fluid in after I told them 10 ways to Sunday to make sure to use the correct locker fluid.
Additionally, does anyone know what the difference is between the current injectors and the injectors used in 2013 SCV6 engines (Jaguar models) and all 5.0L V8 (NA AND SC) all the way from 2010-today?
Their Bosch part number, which was impossible to track down without calling Bosch several times and doing a day's worth of investigation, is almost identical except the last digit is one number off. WorldPac says the "older" injectors (Bosch part : 0 261 500 296) is compatible with my LR4 Or any current 3.0L SCV6. It was the OE part used in 2013 models, at which point they switched to ( 0 261 500 297). The part ending 297 is not available from any place EXCEPT JLR dealers where the cost is 400% higher than the injectors ending 296 (which is the current injectors used in 5.0L V8 and 2013 V6). I can buy them direct from Bosch as an "aftermarket" injector (part 62820) or a set of 8 from Atlantic British for $899/$119 a piece, even RockAuto has the injectors for $80/piece. JLR wants $400 PER INJECTOR which is robbery to me.
WorldPac says they're the same part, just a different number that’s exclusive to JLR dealers under some licensing agreement or whatnot. Nobody at Bosch is willing to disclose differences between the two. They’re identical in appearance, I know they work in the V8 models and 2013 Jaguar V6 models and they cost $300/injector less. I'm keen to hope that's true but before I bought them and had them installed I don't want to get something that won't work. I'm not aware of any changes between 2013 and even today's 3.0L SCV6, and the engines are essentially identical to the 5.0L V8 minus two cylinders and different cylinder bore sizes. Everything else is essentially a clone. If I can save $2400 in parts cost and they’d work I see no reason not to get them myself and have the JLR dealer install those. They said they would. My biggest concern is putting in $600 worth of new parts + labor and then the JLR dealer calling to inform me that unfortunately they had misdiagnosed the issue and it’s really this or that. I almost feel like it’s an ECM or electrical issue if multiple injectors are stuck open. I hadn’t gotten fuel in over a week and had used 3/4ths of it before anything happened. I always use premium, not that it really matters in quality, but I get it from legitimate places. Unless someone poured something in my fuel tank I don’t see how contamination would suddenly strike and cause multiple injectors to fail. It’s just so puzzling to me. I don’t want to spend thousands of dollars chasing down a mysterious problem that may or may not be what they say. It sucks being out of warranty.
I’ll likely sell this thing after it’s fixed and get a new truck or something. I don’t like being on the hook for huge out of pocket expenses that add no value to the vehicle when it’s time to sell.
