Mine the same, done timing chains and tensioners, gas analyser shows it to be running rich on one bank only, swapped injectors with other bank and changed all 'o' rings. Isn't running rich when revs above 1500 so think it may be VVT on one cam, removed solenoids and found shuttle valve sticking in on one side, shuttle springs back out on other bank, going to replace in near future, maybe you have same problem, get exhaust gasses analysed to find if one bank running rich when idling.
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If you have two different warning lights, it could be a wiring problem. The low oil pressure warning could come on even if the engine is full of oil. If that is the only light coming on, it could be the sending unit or you could actually have low oil pressure.
Start with one quart but continue to put it in until the level reaches the full mark on the dipstick. Your car requires synthetic oil, 5/30w is fine, personally I wouldn't put synthetic in right away as I would check to see if it starts first and then if it does, change all the oil to synthetic asap. I say this only because there is no point pouring expensive oil into an engine that may require major repairs...which is possible if it was run low on oil for any length of time.
Hi. These fluctuating pressure readings are a strong indication of oil pump failure. The oil pump is damaged. I recommend to replace this failing oil pump, and screen. Once replaced, the oil pressure will stabilize.
this may sound crazy but what sort of fuel are you running? Try filling the car with premium 98 octane and run it - if you are running inferior grade or dirty fuel the throttle body sensors will register a differential in the burn/energy and throw a fault. The bad news is that a faulty throttle body will cause the same problem and cost a fortune to replace.
thats interesting, the pecus lighting up on your dash means a control module wasnt fully programed, or in the process of being programed. ive only seen that pecus warning light once when a module failed to download the proper information. The low oil light and this pecus fault are not related.
The only way to get that light off is to bring it to a jaguar dealership.
In my case went this happened to me i was performing a recall that had me go though this download process. Now, if this problem applies to the recall then jaguar will pay for the repair and all you have to pay for is the diagnosis fee which is different with any dealership.
You can check on-line, for have the dealership look to see if their are any recalls on your vehicle.