check engine light is on.
1992 Volvo turbo 4 cyl. gas. check engine light is on, can I diagnose without diagnostic tool? Engine keeps stalling occasionally but I am thinking fuel pump relay?
You can't diagnose without a scan tool, you would only be guessing. Spend the $30 for one, or get the car scanned from one of your local auto parts store for free.
suppose to be normal when the engine is idling, dont sweat it my 940 turbo has ben doing that for years.
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