Question about 1991 Volvo 940
You could try another key if you have one. The key has a chip in it that the computer must recognize before it will start. There is a possibility that the key transponder has failed.
If that doesn't work you will have to take it to a reputable shop or to the dealer so they can run the diagnostics. There could be a problem with the antenna, the module, or just a communication problem between the two.
Sorry wish I had better news.
Posted on Feb 28, 2009
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