Drove up to Mikes yesterday to do a suspension set. The drive went very well and we preformed the set up using the string method, I have never seen it used before but it works great. The car will require a further set once the new torsion bars have settled.
By the way this photo was before the set up, just look at the back wheel
All went well on the spirited drive home until about 3 miles from home. The car started to fluff a bit at low revs, something it has never done, it seemed to clear at higher revs but at small throttle openings it was running on 5 cylinders
Anyway left it to cool down and went for a run around the block later in the evening, still on 5 cylinders at low revs and seemed to be getting worse. Parked it up and spent all night worrying about it.
I popped up to Mikes this morning in the Passat (which runs great) and picked up a cylinder leakage tester, a injector tester and a timing light. What bothered me was it had been running really well so what had changed?
Pulled the spark plugs, nothing looked out of order. Preformed a cylinder leakage test the results were.
Cylinder 1.........2.5% leakage
Cylinder 2.........5% leakage
Cylinder 3.........2.5% leakage
Cylinder 4.........5% leakage
Cylinder 5.........2% leakage
Cylinder 6.........2% leakage
So nothing wrong with them.
I took each injector out and tested them, all were ok until I tested the last one. Number 6 was stuck open. You should be able to pump the injector up to 215psi and they should then brake off and squirt an atomised mist, this wouldn’t even pump up to 5psi, just fuel running out. The injectors were new about 6000 miles ago but I must admit my car has always start up on 5 cylinders and then after a second or two fired on all 6, this may have been down to a dribbling injector and I suspect that’s the one that have failed. Glad it has done it now. Tomorrow I will put it all back together and see if its back to its former glory. Let’s hope it is.
Kind Regards