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Re: 1994 AUTOMATIC SALOON VOLVO 850 JUST WENT DEAD AFTER...
Sounds like you've got an issue with your alarm module, causing the immobilizer to activate (also known as a "start inhibitor"). I'm not sure what type of alarm you've got, but this will probably help you find out if there is something wrong with it: There is a panel with relays on it behind the dash. At the bottom of the steering column, by the drivers feet, there is a panel. Remove it to get access to the relay panel (just a couple of torx screws, no breakable clips as far as I can remember). Remove the "double size" relay (probably marked 210-211). Put a wire between the terminals 50E and 50F. This will hotwire the immobilizer and make sure that it always activates when turning the key.
Drive around with the wire in place instead of the relay for a while to see if this helps. If it does you'll know that the problem is related to the alarm system. Keep in mind that you will be without alarm and therefore probably also without remote central locking while doing this. Make sure that the wire is connected firmly enough so it doesn't come loose. You can also put a fuse on it if it makes you sleep better at night ;) It might be preferable for you to go to the dealer and tell them that your immobilizer is acting up instead of doing it yourself. Either that or your starter is simply broken or has bad wiring. Good luck!
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Is the check engine light on? Check for fault codes first. Sometimes these engines had issues with carbon build up and poor starting cold. Run a bottle of Techron thru the tank and see if it gets better.
Fuel filter has nothing to do with the car turning over. It may prevent the car from starting. Do the engine turn over or try to crank or start. If the car is turning over but will not start it could be fuel related. Is the battery fully charged? if not charge it. Spray some starting fluid in the breather for 3 seconds to see if its fuel related. If the car starts and goes dead it is fuel related. Do this a couple of time and you should get the same results. If it does not start it will be electrical. Good Luck!!!
if you are where its cold you may have a freeze gas line or its time to replace the battery if you are where its cold put some gas line anti-freeze in the gas tank any way and add some more gas to the car wish you the best of luck Michigan Man.
So the starter doesn't crank at all?
I know it's silIy, but I can't help but ask if you're absolutely sure that the battery has enough power.
If it does have enough power the problem could be that the immobilizer is active. Try to hotwire it:
There is a panel with relays on it behind the dash. At the bottom of the steering column, by the drivers feet, there is a panel. Remove it to get access to the relay panel (just a couple of torx screws, no breakable clips as far as I can remember). Remove the "double size" alarm relay (probably marked 210-211). Put a wire between the terminals 50E and 50F. This will hotwire the immobilizer and make sure that it always activates when turning the key. As long as the relay is out you will not have a working alarm and probably not remote central locking either. If this doesn't help the starter might be broken or (more likely) have bad wiring. Try starting the engine by pushing the car. Good luck!
call your local volvo dealer and tell them your battery went dead and that you need radio code. they will ask you for car VIN...dont go that route, pull out radio and give them the numbers on the sticker ontop of radio. and make sure you keep the code written down. Good luck.
If the battery is ok, check the main ground connections from battery to engine block. If you here nothing when key is turned, check braided wire that connects from starter body (brushes) to solenoid. If you live in a salt belt like Allantic Canada, sure bet that's it... E
Clear your engine and transmission codes, its a small box in the pass side engine compartment right behind the headlight. Search "Bay 13 Volvo" and that has all the information to check and clear the codes. It also has a list of what the codes mean to help you.