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Greetings all,
I have an 88 900s with only 78k on it. When I bought it in July, the owner had just had it in the shop where they'd replaced the computer. Curiously, when I went to test-drive it, the computer failed again. The shop replaced it again under warranty.
Today it won't start, and upon turning the key, there's no sound from the fuel pump. (floor panel & cover removed, screwdriver for stethescope, assistant manning the key.) Fuses looked good. So I "borrowed" +12v from the rear-window defogger and the pump spins happily.
We were about to quit, when I decided to try starting it with that "borrowed" power, and still no go. (There is a possibility that THIS attempt at borrowing 12vdc was not as successful as the first, but I'd put that pretty low probability.)
Since the computer is mostly analog, I'm thinking there's not a whole heck of a lot that can burn them out, so I'm thinking a streak of really bad luck. (I've had 8 SAABs since '77, 4 with fuel injection, and none ever needed a computer replaced)
The shop that did the computer in July is EXTREMELY reputable. They were both used computers, but were known working ones. There is ample evidence that they've checked the fuel pump (no screws in the floor panel, loose cover) so I suspect their original diagnosis was correct. I'd like to go back to them, but the towing bill would be astronomical, and I have a local foreign-car shop that's pretty darned good.
So: favorite ideas here? Used computers? New (ouch)? Other favorite tricks? It all seems to point to the computer, if we can't even get a tremor out of a known-running pump... Spark and all are probably still working, the car's been in regular service every day. I s'pose it could be the mass-airflow sensor (85 Volvo did that to me once)...
Thanks in advance,
Ben
posted by 64.81.14...
, Mon, 25 Nov 2002 08:57:40
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