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Quick update before I head back down to the garage to carry on with the X5.
Blanked off the secondary air system yesterday which meant the exhaust blow was removed. It was at that point I realised it wasn't running right - lumpy and throttle not as responsive as I remembered it was....even though that was well over a year ago.
I found that the cylinders on bank 1 weren't firing properly - smooth running values on all those 4 cylinders according to my Snap On scanner, cylinder 1 being the worst at around 8/9 @ idle. Basically that means there's misfires. The exhaust wasn't even getting hot on that side as opposed to bank 2 being red hot so proper combustion isn't occuring as it should.
Dug out my laptop and INPA so hopefully should have answers shortly. Gut reaction is vanos issues but I really hope I'm wrong.
It's certainly making me work for my first drive!!!
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05-20-2018, 09:16 AM
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