Petr Posted July 5, 2005 Report Share Posted July 5, 2005 Hello Volvo lovers,This is my 1st official post to this forum. I'm in love with my first Volvo which happens to be a lovely 2000 S80 T6 that I bought two years ago. It's proven to be a true mistress - performing and demanding, especially now when hitting the 110k miles. Trust me that I know every single "sound and shake" of my car and I get really nervous whenever I experience a new one. Well, I've found it a little difficult to have trust in Volvo dealers around Boston, MA and so I'll bug you with your opinions and thoughts on my observations with an aging S80 T6, so please be patient with me.My first question is about a strange behaviour of my car after a 105k regular service. I have two new symptoms:1. real bad behaviour between cca 3500 RPM and 5000 RPM. The engine "switches between two modes" randomly - for most time it doesn't want to accelerate at all (and runs somehow silently) or it accelerates for a split of second then then becomes numb again. This is getting dangerous when accelerating on freeways. When I hit 5k RPM, it gets lovely again (for a very short time, though).2. if I kick the accelerator too rapidly when accelerating from a full stop, the engine "chokes" and doesn't want to go at all. I have to release the accelerator to actually accelerate and press the accelerator gradually.I'm taking the car to the dealer next week again; please advice what I should be ready for. I'm puzzled that none of that had happened before the dealer's laid his hands on the car. I'm quite used to problems with transmission and the "check engine" light; and the performance of T6 always made me forgive all the sins of my baby. Now when it's gone, I feel betrayed Thank you,PetrPS: Please recommend a good and trustworthy Volvo mechanic in the Boston Metro area; or point me to resources where I could fine one. Thank you. Link to comment Share on other sites More sharing options...
gdizzle Posted July 5, 2005 Report Share Posted July 5, 2005 sounds like the ETM is going out. Link to comment Share on other sites More sharing options...
MrWinkey Posted July 5, 2005 Report Share Posted July 5, 2005 :( Link to comment Share on other sites More sharing options...
the underlørd Posted July 5, 2005 Report Share Posted July 5, 2005 Link to comment Share on other sites More sharing options...
MrWinkey Posted July 5, 2005 Report Share Posted July 5, 2005 :lol: ....I love that!!!!...Beautiful absolutely beautiful Link to comment Share on other sites More sharing options...
starfish Posted July 6, 2005 Report Share Posted July 6, 2005 105K = new timing belt and tensioner. Perhaps the tech did not have the cvvt spocket set right on assembly. Take 'er back for a look see asap! Link to comment Share on other sites More sharing options...
MrWinkey Posted July 6, 2005 Report Share Posted July 6, 2005 I was thinking cam timing...but it really doesn't sound like his symptoms? Link to comment Share on other sites More sharing options...
gdizzle Posted July 7, 2005 Report Share Posted July 7, 2005 really sounds like the ETM to me. Link to comment Share on other sites More sharing options...
Petr Posted July 7, 2005 Author Report Share Posted July 7, 2005 Thank you for your thoughts. What I'm scared of is an expensive sequence of part-by-part replacements. When googling, I've also found suggestions regarding malfunctioning boost control selenoid or air mass meter. I'll let you know my progress after visiting the dealer on Monday.Thank you,Petr Link to comment Share on other sites More sharing options...
jbuck Posted July 8, 2005 Report Share Posted July 8, 2005 No CEL? When my timing belt was installed they were off by a cog and it took about 90 seconds for the CEL to come on. No harm done.Find out what the dealer did at your 105K service. I've always got codes stored that I or my indy mechanic can't read. I HATE that, but Volvo always comes up with something. Try not to let them just throw parts at it. Link to comment Share on other sites More sharing options...
Petr Posted July 10, 2005 Author Report Share Posted July 10, 2005 Yes, CEL is on; but I got used to it. It seems to be connected to gas cap/fuel tank pressure sensor (during the 105k service, they read code 4308). I was curios how often the CEL comes on; it's happening randomly (approx. every 3rd ride after erasing the code), under low/mild torque. But that's another story... Link to comment Share on other sites More sharing options...
Petr Posted July 12, 2005 Author Report Share Posted July 12, 2005 The mechanic found an air leak in vacuum hose at intercooler pipe.I'm not too convinced - I only drove a few miles home in a heavy traffic, but there seems to be very little to no improvement in performance above 3k RPM. Or is it the adaptive logic in engine control that needs to adopt first?*sigh* Link to comment Share on other sites More sharing options...
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