my gas pedal when pressed only revs the engine for a second and then does not work the engine just idles. ran dtc and nothing about tps

Asked by Mar 19, 2016 at 12:26 PM about the 2008 Ford Focus SES

Question type: Maintenance & Repair

when i press the gas pedal with the car in park the engines revs for just a
second and them does not work. i let off the gas pedal and press it again and
nothing happens

6 Answers

2,325

Unplug the TPS any changes?

1 out of 1 people think this is helpful.
210,885

Could be something electronic or mechanical. Just guessing throttle body or something with the accelerator pedal, and sometimes you can't fix everything yourself.

1 out of 1 people think this is helpful.

thanks for the answers. i unplugged the tps on the throttle body and it did change anything. i can start the car and the gas pedal will rev the engine one time for about two seconds the the pedal stops working i can let off and press it again and nothing happens. i can cut the car off and start it again and the same thing happens, the gas pedal works for a second the stops working. i can stop and start the car over and over with the same result. pedal works for a second to rev the engine and then it just idles. it works for a second. that is what has me baffled.

210,885

So no CEL or codes?

1 out of 1 people think this is helpful.

i only have a OBD !! DTC scanner. the only dtc i get is PO453 which is evaporator emission control system pressure sensor high.this evaporator is located at the gas tank. manual says to check voltage for variance. but that would not cause my gas pedal from working, right? i dont know unless its electrical, or the gas pedal assembly. just guessing though.

under the mil codes i get: cat not ready, evap not ready,o2o not ready,ho25 not ready, erg not ready.

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