engine its not running well

1994 MITSUBISHI 3000GT
81 MILES • 3.0L • 6 CYL • FWD • AUTOMATIC
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BLUEFISH1972
  • MEMBER
  • 10 POSTS
all i did to it was i changed the sparks plugs wires coils and the valve cover gasket and after that the engine starts to running poor and the smell of gas come out the exhaust pipe if i put the car in drive and i dont keep my foot on the gas pedal teh engine shoot of by it self and the needle of the rpms goes donw to 200rpms instead of 1000rpms
so could you please help me ro resolve it thank you
Feb 3, 2016 at 3:29 AM
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WRENCHTECH
  • ✓Experienced Mechanic
  • 20,760 POSTS
Obviously, you messed something up. You need to start over and remove everything the did with the ignition. You could have cracked a spark plug or messed up the firing order.
Feb 3, 2016 at 3:46 AM
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