You may still have a bad injector. Same cylinder as before? If it moves with the injector, you need to get another used or new injector.
-- Max Dillon Charleston SC '95 E300, '87 300TD, '73 Balboa 20 clay monroe <redgh...@comcast.net> wrote: >All new wires and plugs with good spark all around. Cylinder does not >fail when ignition wires are removed. Compression is within reason. >Previously tested the injection loom and all connections showed good >power to each injector. Tests done by removing wires to each injector, >which identified the non working part, Indy replaced the injector with >a used good one but he has no way to test individual injectors for pop >or operation. That did not fix it. > >No black smoke on start up, so all fuel is being burned. > >Vacuum issue? > > > >On Jan 24, 2013, at 6:41 PM, Rick Knoble wrote: > >> On Jan 24, 2013, at 7:39 PM, "clay monroe" <redgh...@comcast.net> >wrote: >> >>> Questions for the group. >>> >>> Is it bad if I just drive the car anyway and save up for more work >to solve the mystery? >> >> >> If the problem is a fuel injector not working at all, no. If it is an >ignition problem, maybe. A cylinder not firing will cause fuel to wash >down that cylinder and contaminate the oil in the crankcase. It is >probably best not to drive it. >> >>> Rebuild the engine to put it back into spec? >> >> If the compression is okay, there are no massive oil leaks, and no >odd internal engine noises why bother? Do you have that much extra coin >laying around AND a wife that will let you spend it? I should be so >lucky. >> >>> Drive it and save up to do a head gasket replacement at which time >everything would be clean and sealed up by fresh gaskets instead of the >40 year old stuff? >> >> Park it and have the Indy sort it out, if you feel over whelmed by >it. I am not familiar with Mercedes alloy V8's. If it is common for >particular head problems to arise on that engine, address those issues. >If it is pretty much bullet proof, leave it alone. >> >>> What other things could be causing a miss? >> >> A four stroke gasoline engine needs fuel, ignition, and compression >to run. Determine which is lacking, and correct it. I know, easier said >than done. >> >> Does it miss at idle? Only under load? What are the conditions that >cause the miss fire? A shop with an old Sun machine could help here. >The old oscilloscopes were great for troubleshooting points ignition >problems. I still remember a few things about how to read one. What >shows up as point bounce, bad wires, etc. >> >> My WAG as to your problem would be a heat related deterioration of >the injection wiring. That is a WAG, as I know nothing of Mercedes >V8's. >> >> Rick >> Who feels old now. >> Sent from my iPhone >> >> _______________________________________ >> http://www.okiebenz.com >> For new and used parts go to www.okiebenz.com >> To search list archives http://www.okiebenz.com/archive/ >> >> To Unsubscribe or change delivery options go to: >> http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com > > >_______________________________________ >http://www.okiebenz.com >For new and used parts go to www.okiebenz.com >To search list archives http://www.okiebenz.com/archive/ > >To Unsubscribe or change delivery options go to: >http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com _______________________________________ http://www.okiebenz.com For new and used parts go to www.okiebenz.com To search list archives http://www.okiebenz.com/archive/ To Unsubscribe or change delivery options go to: http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
