VAUXHALL SIGNUM ENGINE SYMPTOM

Hi, In The Previous Two To Three Weeks The Engine Started To Be More Noisy, It Sounded Like A Diesel Engine, Not Sure How To Explain It....

Engine Surging Up And Down When Stood Goes Up On Rev Counter To 1600 Revs Then Drops Back Only Dose This When Car Is At Tuning Temperature.

There Is A Squeal From The Right Side Of The Engine. It Only Happens In A Low Rpm, Below 2. It Definitely Isn't The Belts Or Egr Valve Or...

I Have The Vehicle Listed Above Cdi. I Have No Codes. Replaced Cam Sensor, Crank Sensor, And Egr. Was Told May Be Ecu. Any Help?

Yesterday My Girlfriend Was Driving Home When All Of A Sudden The Car Lost Its Power Got The Car On The Drive Left It For 5 Mins Then...