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Q: engine problem on 1995 Mercury Tracer

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
where would the relay for the fuel pump be located? When i turn the key i hear the pump buzz for a couple sec and thats it. Shuldn't u hear the pump goin all the time?
No car image 94a1663db56199c5353592009e34aaa51078a2469bed068bb8d6f0ba43accf97
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The pump should prime/ run for a second when the ignition key is cycled, it should receive power on cranking and when the engine is running. It does not receive power all the time for safety. If the vehicle was in an accident or developed a fuel leak you would not want the fuel pump running.
I bought the car a month ago from a guy, and he said it sat for couple mths, it chugs when u accelerate, so i change the plugs and wires, coil pack, camshaft, throttle sensor, and fuel filter, it still chugs, but only for a few secs to mins then it just gets up and go's Now would that be a sign of a bad fuel pump?
Only a fuel pressure test will say for sure.

Also - check the air intake - check the air tube for cracks and leaks. Check for a vacuum leak. Check for a PCV leak.
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