Having problems with your Cars & Trucks ?
I have a 2004 Chevy impala 3800 v6 I have changed the spark plugs and wires, Catalytic converter, Resonator, changed one bad coil pack 1&4, the rest test good along with the ignition module it's still dumping raw gas in my engine doesn't want to pick up speed rough idle, wants to stall when you come to a stop, and plus I cleaned the egr valve and cleaned out the throttle body what is going on please help
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