On my way to a detailing world meet this morning. Was going up a hill and at just less than 5k rpm, the car gave what felt like a massive missfire. Changed gear and carried on and all seemed ok. However, it now feels flat and struggles to rev beyond 4k. It will get to the redline, just takes a while. I also dont get the kick at about 4k when the secondaries open. Does this sound like a cable or unit failure. No engine mgt light either.
well, its not the imrc. Thats still working. Its already got a decat on it so if its something to do with that, it will be one of the precats. Happened not long after i filled up. Definately put unleaded in. Wondering if i have a tank of off petrol. Just weird and worrying me a bit now.
Whenever my IMRC started to fail and stick closed, the engine sound changed quite noticeably. If you have heard this too this is a giveaway, but I have an induction filter which might mean it was more noticeable.
Its the lack of the 'oomph' feeling when the secondaries open thats got me thinking its that. Ive got a standard airbox on atm thats been drilled to buggery, makes a right racket!
I can always tell when the secondaries open but when it went sluggish earlier, it was quite clear they werent. Just odd that its not thrown up an error code. Got to pick up some wheels from Shaun (jacks_st) in the near future, might borrow a code reader and check there is no codes pending. At least whatever it is, it cant be that bad if its not throwing up codes.