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Jaxone

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  • First Name
    George
  • Jaguar Model
    XF
  • Year of Jaguar
    2010
  • UK/Ireland Location
    Other/NonUK

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  1. I have SDD , Launch , ELM... you name it 🙂 No error codes but the most stupid is that none of them will measure injector flow rate. Drove it now for 30km and when I came back I let it idle in the garage for a bit and then tried to see where the engine shakes mostly and it is at exactly 1800rpm. There I can feel it the most, and I can feel the engine shaking in the steering wheel or if I hold my hand on the car , for ex. on A pillar. I also tried to hold Park Brake by holding the button up , put it in D and rev it slowly slowly up to 1200 rpm. When under load I can clearly hear a knock / bang like sound coming either from engine or .. or .. maybe from torque converter... hard to say. I have also tried injector cleaner , tappet additive , no change. I will probably pull the injectors next week and change the seals , I can see number one on the left bank is a bit wet around ..no puddle but I can see moisture. Most irritating is that I can hear the "knock" or tapping sound while I drive and because the damn Falken winter tires are noisy and tapping on the road also , I can not deduce where the sound comes from exactly. Planing to mount the GoPro in the engine bay and record while driving.
  2. Finally my brain woke up and told me I can upload the video directly from the phone. So I did 🙂. You can also hear the noise when I keep the engine up in revs.
  3. Hi Ellliot , and hi Forum 🙂 Stumbled upon your video on youtube and found you on this forum afterwards.... My XFS 3.0D Portfolio with 120.000km on the clocks has developed the same sound ... or maybe is me who is to picky about my cars. I have the car for over 1 year now and I never noticed the sound until a few days ago when I started hearing a "tapping" kind of sound ... maybe is only in my brains and ears but sounds like yours. After coming from work I parked the car in the garage and let it stay for 2 hours. Then went and started it up , open the bonnet and rev it to 2000-2500 RPM. I noticed the engine shaking and it kept shaking until the engine got warmed up ... then it did not shake anymore. Does your shake on "semi warm" conditions or after letting it sit for 1-2h ? I can also hear the "tapping" noise with the engine revved up. In my opinion , and after listening to the engine sound , it sounds like one of this things : - Worn injector , or worn injector seal , as it gets better after getting warm. - Cracked Exhaust manifold (Can only check this if I take out the EGR valves and not willing to do this as for now). - Worn valve lifter I have recorded a video , yet to upload it to youtube... I hate noises in the car .. Until I upload the video maybe you can check the "shaking" part and let's share experiences and possible solutions .. or maybe go to a head shrink together 🙂
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