worry

noticed the engine has been feeling sluggish today, all the way up the revs, like its holding back, engine note has changed from normal too. check the air filter, i dont think is missing firing, but iv been using tesco fuel for a ages now, iv noticed hearing backfiring when changing gear when cold, 2500rpm.

went and stuck fortie raps of v power in, seams a bit better but iam still not happy, were getting more cold weather now, mite be the ecu adusting the fuel? air? or could be down to the manifold iv got on, with out the precat.?

i ran the engine and took the oil cap off, seams theres plenty oil on the cam lobes, and plenty in the engine, iv had no warring lights of any kind, car was serviced by my self 2k miles ago. i thot the car was feeling strange last week, but it went away, mabe this is a intermitant fault, vvt?

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