When i push the gas peddle mostly on freeway it seems like its not getting any gas you can put the peddle all the way to the floor. then when it does get the gas it jerks the car and keeps doing the same thing 1999 mercury cougar 97,000 miles
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Try this. If tps is positioned correctly and idle is correct.
You can recalibrate the throttle yourself to eliminate flat spots or pauses in its response curve.
This should work on most Fly by wire cars, they work on chevy and dodge for a fact
1-ignition to RUN but do not start
2-wait until all the dash warning lights go out (engine light should be the only one to remain on)
3-slowly depress the gas peddle to the floor (take at least 15 seconds to gradually push it to the floor, do not waver as you push)
4-slowly release gas peddle to full up (again, take at least 15 seconds to gradually let it back up, do not waver as you let up)
5-ignition to off
6-DO NOT START IMMEDIATELY! Allow to sit for up to 10 mins+, then start and check for difference in response and linearity.
That switch should be located at the upper section of the brake peddle arm. If you reach up under the dash, running your hand up the arm the brake peddle is attached to... You will feel a small box with a button. THAT'S IT!!! When you push down on the brake peddle, it pushes that little button on the switch which makes the brakes lights come on. Just for kick though, make sure the brake light fuse is still good, before roll around on your floor board.
Good luck and Happy New Year,
Catalytic converter could possibly be clogged. Are you getting any sulfer smell? especially when going up hills. Also if this is a vortec motor ( says VORTEC across the top of engine) they were famous for have the injector module leak in the intake.
I had the same kind of problem and I ended up solving it by actually checking for recalls for the 2000 Cougar and when you do, you'll see that there is a fuel pump recall. I dont' know if you've already done this but I figured i'd post this and try and help out!
First, disconnect neg battery cable 10 minutes and reattach to clear codes.
Lean condition means it is not getting same fuel as other side of engine.
Since you had it scanned before, try Autozone to see if new results.
You might try a TPS switch which regulates spark and fuel feed. At lower speeds EGR starts to open-you should have code for a problem there.
try this, if the car wont start push the pedal all the way to the floor and hold it ther while you crank. It sounds like you are flooding the car some how. Pushing the pedal to the floor puts the car into clear flood mode and it shuts off the fuel flow. try and see just a suggestion