Furtherto the erratic idle and whining sound - update: 1. Cleaned and tested pcv valve. 2. Tested for vacuum leaks around hoses, joins and inlet manifold. tested for blockages in hoses. 3. Done throttle reset. Here is a video of the sound from engine when idling after warming engine. Anyway you have 4 basic issues here to look at. 1/ The pump priming - From your description the pump is working perfectly. It only runs when the Accumulator pressure drops below 36.5 Bar and cuts out at 46 Bar (in the 159 2.2 Selespeed, other models run at slightly different pressures.) Asfar as I am aware, the pumps used on the Alfa 2.2 jts are made by Bosch, and use a piston system so should not be a problem. So either it was assumed that the fuel pumps are the same as the Vauxhall engine, or there is something else on the 2.2 jts which is deemed not compatible. AlfaProblem Solving Alfa Exhaust Systems. cam belt change; 1.6, 1.8 16v: £260 : 2.0 16v: £325 We are experiencing major issues with 2.2 JTS engines where the oil filter is failing due to excessive amounts of waste blocking the filter which then gets crushed (see picture on right hand side of screen). These are our Alfa Romeo Commonfault that seems impossible go fix , Alfa need go recall the Brera and fix the ECU. The engine warning light has been on for two years and none of Alfa Justlike the 2198cc Vectra engine on which it's based (which came out in around 2000 on the last of the Mark 1 Vectras), the 2.2 Brera/159 engine is now showing the same timing chain problems. It starts with a light tinkly rattle at idle and quickly becomes a very nasty and loud rattle. This is 32 jts engine remove/rebuild. Tags remove or rebuild. (Compare to 2.2) long change intervals, wrong oil quolity and crank vent problems are probable cause of the failure in many cases. Engine is also sensitive to oil level and pressure. Alfa Romeo- Only passions, great passions can elevate the soul to great things EngineManagement Light I would advise that you find another example. I have had the same problem on my Brera 2.2. The timing chain has been replaced twice and now the engine management is once again illuminated. The engine management warning light returned after about 8000 miles on both occasions. 1592.2 JTS power steering pipe. I am having an issue with my Alfa 159 2007 2.2 JTS. An awful noise occurred a week ago that was found to be a leak in the power steering pipe. When you turn the wheel, fluid would come out a slight crack in the pipe. The 'issue' I have is that two different dealers in Sydney have given my mechanic 2 different Iown 2 Alfa Romeo 159 2.2 JTS Selespeed. Here is what I did to my first 159: NOVITEC Stainless Steel Double-Rear Exhaust 1x100 Novitec GP1 Kind of solve the hesitation issue but not 100%. Car drives much smoother. Here is what I am going to do with my second 159: Ragazzon Stainless Steel Double-Rear Exhaust 102 4gI8193.