Having problems with your 1991 Volvo 740 ?
No spark 1990 Volvo 740 Had trouble starting it one day, used either and it started. Ran fine for two days and now won't start. Have had this problem befor, after a severe rain storm. Think something gets wet and stops sparking. Any ideas?
I agree with Bill, fuel pump relay could be faulty. If it is a REX system, it could be the crankshaft sensor wire.
Yes replace your fuel pump relay,first
Repair Help & Product Troubleshooting for 1991 Volvo 740
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