I'll 3rd that -- the boy's 300SD had that exact problem on our first road trip, wish I had a mobile email device with me as Marshall diagnosed it within 15 min of posting the problem.
--R John Freer wrote: > Peter is bang on. That is the very same condition my SDL had. Turned > out to be a plugged tubing from the manifold to the solenoid. Easy and > cheep fix. > > Try a trial run with the tube disconnected. > > John > > On 8/7/08, Peter Frederick <[EMAIL PROTECTED]> wrote: > >> Check the hose from the center of the intake manifold to the >> overboost protection solenoid on the left shock tower and to the >> ALDA. It must hold pressure when you blow into it. The hoses go bad >> and leak, also the solenoid can fail and vent when not energized. >> >> If the boost system is OK, you most likely have a dead turbo, not a >> real shock at 337k miles (my volvo turbo croaked at 175k). >> >> Peter >> >> On Aug 7, 2008, at 5:28 PM, Danny Goldberg wrote: >> >> >>> Hi >>> As a long time lurker on the list, i have a problem that i can't >>> seem to solve that i need input on. >>> The car is a 124 300d with 337K miles. it runs great and is aside >>> from a tranny rebuild at 225K has had no unusual repairs. >>> At the moment it appears to have a turbo boost engagement problem. >>> (??) >>> when driving on level ground it will cruse at the normal 75mph but >>> acceleration is slow and the rpm doesn't go above 2500, it shifts >>> OK both up and down. However going up hills it looses all power and >>> when pushed to 3000 rpm it actually loses speed! It does not kick >>> into "turbo mode" and continue to accelerate - but the overdrive >>> kick down is working. >>> I have checked all the vacuum lines with a mityvac and find nothing >>> blocked or dead, all connections are OK and there are no cracked >>> hoses or torn rubber junctions. >>> Service is up to date for fluids and filters.... >>> Please chime in it's annoying to drive like this, it feels like a >>> slug doing up hills and getting off the line. >>> thanksdanny >>> >>> 68 200d 126,000 my toy >>> 85 300d 167K (spare car) >>> 90 300d 84K (donor car RIP) >>> 91 300d 337,400 miles, my daily driver >>> 93 300d 173K (resurrected by donor car) >>> 96 Subaru Legacy 88K (wife's car) >>> >>> >>> >>> >>> _______________________________________ >>> http://www.okiebenz.com >>> For new parts see official list sponsor: http://www.buymbparts.com/ >>> For used parts email [EMAIL PROTECTED] >>> >>> To Unsubscribe or change delivery options go to: >>> http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com >>> >> _______________________________________ >> http://www.okiebenz.com >> For new parts see official list sponsor: http://www.buymbparts.com/ >> For used parts email [EMAIL PROTECTED] >> >> To Unsubscribe or change delivery options go to: >> http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com >> >> > > _______________________________________ > http://www.okiebenz.com > For new parts see official list sponsor: http://www.buymbparts.com/ > For used parts email [EMAIL PROTECTED] > > To Unsubscribe or change delivery options go to: > http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com > > _______________________________________ http://www.okiebenz.com For new parts see official list sponsor: http://www.buymbparts.com/ For used parts email [EMAIL PROTECTED] To Unsubscribe or change delivery options go to: http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com