Date: Fri, 03 Aug 2001 14:06:43 GMT
From: "KeithG" <>
Subject: Re: Help! - 1985 900s electrical/fuel problem

You have a 1985 model. These particular models of Volvo and Saab MAY have wiring insulation which degrades and causes shorts. Another possibility is that the catalytic converter heat shield has rusted through exposing the main wire bundle insulation to excess heat which partially melt the harness insulation. I would guess that your mechanic is doing the best that he can, but is solving the symptoms instead of curing the problem. Unfortunately, the problem MAY cost more to have it fixed than it is worth to you. It sounds like you do not do much of your own work and this car could continue to be a financial drain. If you do your own work, I would suggest looking at the electrical wire bundle and the heat shield. If it is degraded, get a harness from an '86-'88 and replace it. I am sure that this would be prohibitive to 'have it done', though. I would suggest getting a newer model C900. The biodegradable harness was a '85 only deal and the other year to avoid is 1989 as the Fuel injection ECU can be flaky. If it is replaced by a remanufactured unit or one from a later model, it is fine, though. Good luck. "Matt Grammes" <> wrote in message > I have owned my 900s for about 4 years now and havent had any major > problems with it, until this summer. Once after work i tried to get > in my car and the battery was completely dead. After a successful > jump it was running again for about 2 weeks then the same thing > happened, so we tried jumping it again, only this time it didnt work - > there must have been an error in the way the wires were connected, but > it never worked - got it towed to a mechanic. After some diagnosis he > tells me that a whole bunch of stuff was burned out... the fuel pump, > fuel relay, ECM module etc... so after all this stuff is replaced the > car runs great again. Only a few days later after driving somewhere i > goto start up the car adn it never turns over, so i looked at the fuel > pump and its not working. have it towed back to mechanic who says > thet the ECM module he put in was faulty so he changes that and it > works great again. 2 weeks later i stop for gas and try to start up, > and again it never starts... sounds like the same thing to me, but he > goes and somehow gets it started and drives it back to his shop where > it does the same thing AGAIN... he told me the next day that he > cleaned some electrical connections up and it was working but then > later on it was doing the same thing.. I dont know what to make of > this or if i should just ask for my money back and get rid of the damn > car... any suggestions, help??? > > -Matt >

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