Jaguar XK8 - Recent Questions, Troubleshooting & Support - Page 3

you may try adding a engine oil flush follow the instructions on the container if the lifter is blocked that may help but that engine at that model/year suffered with worn nicosyl coated liners which made the engine poor starting/noisy unless it has been reworked with cast liners

Is it the PSI specs good {30PSI?} If not u have to start w checking 4 vacuum leaks, oxygen sensors, get emissions test to get all other emissions read (HC, NOX, CO) All the readings will give the tech a path. U have to have the right amt of fuel going into the pump & regulator to get the right PSI too. Clogged exhaust? The possibilities go on. Good Luck

the electronic part of the unit ie. module is seperate from the pump unit and can be interchanged someone may have put a module from a different unit on to your pump motor unit ie, from a xkr which as a differant connector

Remove your rear rotor check emergency brake shoes

Could at either plug(corrosion) Most wires break close to the plug, Check voltage a couple inches back. Unplug it(if you haven't already) check it. If you have voltage at the brake switch and a couple inches back(probe the wire) nothing at the Shifter solenoid. I would run a new wire to it. Way easier than removing the console and dash to find the short. If you have other problem, I would be looking at the fuse panel .

front drivers suspension wrecked what parts are available.

sounds as if your speed sensing steering system is needing a bit of servicing too me

"Vapor lock" is a condition that occurs when fuel becomes heated to the point of evaporation. If your vehicle is truly vapor locking, it means that something hot is coming in contact with your fuel line somewhere, overheating the gasoline to the point of it vaporizing. This is HIGHLY UNLIKELY. If you truly do have a vapor lock condition, find out where the fuel is becoming heated and fix that condition. On a 1997 Jaguar XK8, it is FAR more likely that you have a bad fuel pressure regulator or a bad ICU.

let your mechanic fix it - there is no where near enough to tell me anything here - - if you don't trust ur mechanic then ur going to need to tow it elsewhere -if u do not trust ur mechanic - get a new one - -also everyone makes mistakes so let ur mechanic fix his - or move on