2008 Saab 9-5 Vector intermittent start 'click'?
Have been driving this 9-5 estate since may after I crashed my first saab (a 9-3 vector) after owning it for 1 day (not my fault). 9-5 drives and pulls like a dream still and the other day I went over 100,000km (62,000 miles). Driving the car in Japan, so most cars here are very low milage. Have not had any troubles at all and am changing oil at an 8,000km interval. Changed the plugs the other day as place I bought car from had installed iridium plugs, changed to the standard NGK ones. DIC is new (well dealer states it is new), front brakes (pads and discs) I changed the other day. Air filter, fuel filter are all new as well.
Now I have this problem, well do not know if it is a problem, but car starts 1st time, every time, but when it is a cold morning, at times I have 1-2 hard audible clicks coming from engine bay. Click is accompanied by a drop in revs. Guess it is a single misfire in 1 of the cylinders but no warning lights on the dash and can use the car without problem. How to diagnose this problem? This morning it was 13 degrees Celcius here, no click, but the other day it was 8 Celcius in the morning and there was 1 big audible click. Will try to shoot a video and post here.
Suggestions and help are all welcome!