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First of all, thanks for the suggestions I've received thus far. Unfortunately, I'm still stuck.
Synopsis: '88 240 won't start. If left alone for 10 minutes, it'll start for just a second (and sound perfectly fine) but then immediately die.
Things I've looked at so far:
- replaced the 25 amp fuse *and* fuse holder
- replaced all the fuses with new ones, cleaned all the contacts with a wire brush attachment on my dremel tool, and dabbed contacts with dielectric grease
- tested main relay *and* tried brand new one (both relays are on when cranking)
- jumped fuel pump fuses -- main pump sounds fine
- tried starting with AMM disconnected
- cranking produces slight gas smell, including stronger smell from tailpipe
- all tests at ECU from Bentley manual OK
- checked for spark at plug #1 -- looks fine
- resistances at coil OK
I haven't looked at the ignition system in detail, so that's next. Any suggestions are most welcome.
Thanks,
-Lujo
'88 240 in Princeton, NJ
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