AFTER FIXING CAT CONVERTER N O2 SENSOR I STILL HAVE NO POWER GOING UP HILL AND I LOSE SPEED EVEN WITH THE GAS PEDAL TO THE FLOOR..CAN YOU TELL ME WHY?

AFTER FIXING CAT CONVERTER N O2 SENSOR I STILL HAVE NO POWER GOING UP HILL AND I LOSE SPEED EVEN WITH THE GAS PEDAL TO THE FLOOR..CAN YOU TELL ME WHY? 1 Answer

No power with gas pedal all the way to the floor. New coils, new fuel filter, new throttle body sensor, injectors, worse power than before the new coils. Anybody have any suggestions. Been suggested to get fuel pressure unit checked and possible getting another computer. Any help please I am desperate 4 Answers

No power - gas pedal all the way to the floor. New fuel filter, throttle body sensor, new coil packs, thermostat, fuel injectors from the salvage yard, new plugs - help

the pedal goes to the floor and I already changed and bleed master cylinder 7 Answers

I bleed the lines after changing master cylinder twice and it was good for a day.. now the pedal goes to the floor again?

Have a 2000 pontiac grand am I'm losing a lot of power I replaced coil pack and no fix.i had it hooked up to the computer and it keeps reading cylinder 4 miss fires and going up hill and and wile driv 17 Answers

Car shakes,and skips,when at stop light and wile in park

Brake pedal to the floor??? 7 Answers

OK, so I've replaced; the brake pads, rotors, fluid AND master cylinder, and it still goes to the floor. The first thing I did before replacing the master cylinder I completely changed the fluid (MA...