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Re: hard starting, still! (archive)
[ Follow Ups ] [ 7-series (E23) Message Board ] [ Msg. Board FAQ ]
Posted by Mark on December 10, 2000 at 14:32:18:

In Reply to: Re: hard starting posted by demet on December 07, 2000 at 08:57:03:


Try checking the AFM flap for binding. How's the air filter? I would still check the condition of the ignition system by pulling the plugs, checking wires, cap and rotor. And I would verify fuel pressure by plugging in a pressure gauge. I'm assuming that other important but often overlooked things like battery, battery cables, grounds, fuse box connections are all clean and working properly. Motronic doesn't cope very well with a weak battery or voltage drops due to corroded connections.

demet


Demet
Starting with the basics, I replaced the platinum plugs with Silbers, the platinum ones didn't look too hot once I pulled them. Then I checked the cap & rotor and found all the contacts to be black and pitted and 2 of the 3 lugs on the rotor had broken off. New rotor and cap were then installed. Figuring this should have corrected the problem I put everything back together. Guess what, no change! Lots of cranking and it sounds like it starts to catch but just won't run. Guess I'll check the fuel next.

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