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my 91 dak is back firing alot now, it did it a few times here and there but now its getting really bad and sometimes stalls out the motor, any ideas on what that could be?
Have you checked the engine trouble codes? Could be the EGR valve, poor ignition timing, vacuum leak, damaged valve springs, or sticky valves, or a leak in the intake
1991 Dak 3.9L back firing?
