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Car Forum / Volvo Cars / September 2006S80 2000 intermittently poor engine performance
My 2000 S80 at 44k miles has developed intermittently poor engine performance. I've had the car to the dealer twice and it apparently runs ok and shows no diagnostic faults. The car stumbles and accelerates poorly at part throttle... to me its reminiscent of a defective mechanical vacuum advance ignition (which this car doesn't have). This problem more typically manifests itself when its completely warmed up... Usually after a full stop in traffic and then accelerating away from the stop the engine just doesn't respond well or appropriately to the throttle depression. Anyone else experience this symptom? Thanks Stuart did the dealer do the throttle body "fix" yet ? > My 2000 S80 at 44k miles has developed intermittently poor engine > performance. I've had the car to the dealer twice and it apparently runs ok [quoted text clipped - 8 lines] > Thanks > Stuart In Volvo Land it's one of 2 things: 1. The throttle body - which Volvo admits is defective, but will first waste your time by "cleaning it", because sometimes that works - temporarily (hoping you'll go out of warranty) and then they'll replace it. I know. Got jerked around by the Ford clones/clowns on this item. or 2. The air mass assembly on the intake - if this item is defective, it's a throw-away. > did the dealer do the throttle body "fix" yet ? > [quoted text clipped - 15 lines] >> Thanks >> Stuart > In Volvo Land it's one of 2 things: > [quoted text clipped - 27 lines] >>> Thanks >>> Stuart Most of the time the cleaning & the ETM software upgrade will solve the problem if it does not you will find out very soon after the above is done usually the ETM will fail in less then 2 week's after the 1st steps were done then Volvo replaces the ETM @ no charge to you Glenn  Signature"*-344-*Never Forgotten" Is for the New York City Firemen who lost their lives on September 11,2001. The official count is 343, but there was also a volunteer who lost his life aiding in the initial rescue efforts. And I will never forget them as long as I live, nor should any American. Glenn~ My records show the that the ETM (electronic trottle module) and the mass air flow sensor were both replaced.... I wonder if its possible that the replaced ETM is also bad.... The problem I have is convincing the dealer that there is a problem since evertime I take it in it seems to run ok. Stuart >> In Volvo Land it's one of 2 things: >> [quoted text clipped - 33 lines] > done then Volvo replaces the ETM @ no charge to you > Glenn step 1 is to have the software updated, if problems continue, dealer must replace unit...this good up to 200,000 miles on s80's...as i understant it..... > Glenn~ > [quoted text clipped - 52 lines] > > as I live, > > nor should any American. Glenn~ I double checked my records... apprently only the MAF sensor was replaced and not the ETM. Seems like the ETM has caused other S80 folks lots of problems....Is there anyway I can get the dealer to replace the ETM even when it seems to run ok when I take the car in? Stuart > step 1 is to have the software updated, if problems > continue, dealer must replace unit...this good up to [quoted text clipped - 64 lines] >> > as I live, >> > nor should any American. > Glenn~ > I double checked my records... apprently only the MAF sensor was replaced [quoted text clipped - 32 lines] > >> >> > >> >>> did the dealer do the throttle body "fix" yet ? First go to the dealer and register a complaint. They will sell you a throttle clean, PCV system clean, and reflash the the engine control module under warranty. If anything this will make the car run worse. Then return and they will replace the ETM under the extended warrasnty policy. Bob SignatureThe goal when driving is to miss the maximum number of objects.
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