Kaleb: Pull a vaccum on the supply line. If it won't hold, the transducer is toast. I'd replace both of them, it's been known to fix the problem right up (or all three -- EGR, flap, and turbo boost control).
If any one of the three is bad, the computer goes to "limp" mode, self explanatory. Peter On Aug 4, 2007, at 5:43 PM, Kaleb C. Striplin wrote: > Well, I check the alda line, it seems fine. On this car is a little > different than the 91. It comes out of the intake, goes to a Y, one of > the Y's go to the ALDA, the other Y goes to a pressure sensor by the > battery. Does not have the cutoff switch in between. I pulled the > codes and it had one for EGR actuator/transducer something or other, > one > for rack position sensor, and one for starter ring gear sensor. > Cleared > the code for EGR, but no matter what I did I couldnt get the other 2 to > clear, even after unhooking the battery for a while. I also noticed > while idling, if you run the engine ad various RPM, the flap deal on > the > turbo outlet never moved at all. On any other 2.5 I have seen, it > seems > to move back and forth at various times if you rev it up and/or down > while sitting there. No code set for that but something doesnt seem > right. I do know when my other one I had, if you had any sort of vacuum > leak you had zero power. I suspect there is a leak somewhere. > > Anybody know how to test all those switchover valves, and vacuum > transducers/actuators whatever they are over on the passenger side? > > OK Don wrote: >> When mine were leaking, they left a mess on top of the IP, left a >> distinct Diesel odor as you walked by the car, and it required >> significantly more cranking to start in the AM. I didn't notice any >> change in power after replacing them on either the 603 or the 602 >> engine. >> > > -- > Kaleb C. Striplin/Claremore, OK > 94 E420, 92 300D, 92 250D Turbo, 92 300E 4Matic, (2x) 91 300D, > 90 420SEL, 89 560SEL, 89 260E, 87 300SDL, 87 300TD, 85 380SE 5.0 > Euro, > 81 240D, 81 380SLC, 80 240D, 76 240D, 76 300D, 72 250C, 69 250 > http://www.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
