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Hello there,
I'm just taking a shot in the darm here... but for a while, my car had a similar problem...
...battery drain for no apparent reason... dead and no start after about a day of sitting... and no start even WITH battery charged...
... one of the possiblities that came to mind was, if the DI cassette is stuck in "burn off" mode.
Burn off mode is when the car senses trouble starting, so it fires off each spark plug MULTIPLE times at high power to "burn off" any debris that might be on the plugs.
I'd have to dig up all the information i found on this subject, as this was quite some time ago for me... but... it's possible for the car to remain in burn off mode, even when shut off... if a certain relay goes bad.
Thus, battery gets drained, and car won't start.
next time you get your battery charged... or get a new battery... leave it in your garage/driveway overnight, but unplug the DI cassette itself... in the morning... if your battery still have a good charge in it, then you found your source of drain...
...maybe my resoning is shotty, but that's what i did. Howver, when i plugged the di cassete BACK IN and left it overnight again, My battery STILL kept it's charge in the morning... which rules out the DI "burn off" mode as a problem altogether, and it went back to being some intermitted nightmare, like you said. Good luck, and hang in there...
if it turns out to be a DI cassette, i have a spare that i would consider selling you on short notice... but... i'd need enough to buy myself anotherone from ebay at some point, so i wouldn't just GIVE it away, you know? My car is a 1990 9000 turbo, the first DI... so... you might need an adapter anyway... but you could grab one from a junk yard for cheap i suppose, cheaper than the whole di unit anyways... keep me posted... send me an e-mail directly if you wish...
-gavin
posted by 69.169.238...
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