WhyEye

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About WhyEye

  • Rank
    New Club Member

Profile Information

  • First Name
    Alan
  • Lexus Model
    IS220D F-Sport
  • Year of Lexus
    2010
  • UK/Ireland Location
    Gloucestershire
  1. Really useful comments here BigChad - thanks. In my case the EGR valve was replaced fairly early on but seemed to make very little difference really - an expensive experiment! I was also not doing myself any favours - my mileage has dramatically reduced in the last couple of years so opportunities for a good blast to burn off rubbish were also reduced. Additionally, although the car was always serviced by Lexus (so I assume the correct oil, etc.) I was consistently using supermarket fuel. A casual comment from the Lexus Service Manager suggested, like yourself, that non-supermarket fuel might help so I changed and the difference was staggering - over the course of a couple of weeks the problem disappeared almost completely and continues to improve to the point where, today, it's pretty much completely gone. I had no idea saving a few pennies on fuel would end up costing so much and was convinced fuel was fuel, no matter where it came from - I won't make that mistake again. Thanks again for your comments and input, and apologies to anyone following this thread for not keeping it up to date.
  2. That's excellent news - mine goes back in on Monday and I'll be sure to mention your experience. Fingers crossed - keep us updated. Sent from my iPad using Tapatalk
  3. Just had the local garage connect up their diagnostic computer to see if any error codes were showing up but there weren't any - clean as a whistle. The mechanic did think he'd heard of a similar problem being caused by the air mass meter/mass airflow sensor and felt that disconnecting the device should show if this was the cause - we did disconnect then tried a test drive but it was impossible to rev the engine beyond around 1500 RPM and certainly there was no power available so he believed this indicated the air mass meter is not the problem - anyone concur?
  4. Hi, I'm new on here but hope someone can help identify a solution to an odd problem with my IS220D. The car is a 2010 reg with around 80k miles on the clock. Fully serviced on schedule by Lexus. Recently needed to have the EGR valve replaced but since then, and progressively getting worse, when the engine is warm there is a marked hesitation when accelerating beyond around 2000 rpm and a complete loss of power. When the car is stationary the engine can be revved throughout its range without hesitation but the problem always occurs when the engine is under load. I can accelerate away from a junction in 1st and through 2nd gear with no problem but when the car is on the move and a similar maneuver is attempted then the problem occurs. It feels like a misfire but I'm at a loss to understand why it would only happen while driving and not when stationary or pulling away. Any thoughts or suggestions? Many thanks