When I drive my car under normal driving conditions the problem never happens only after I hit the brakes hard. It's as if the car has been shifted into neutral but it's still in drive. The rpms jump up and I have to wait a few seconds before I can take off again and everything is normal again. I have changed the TPS and Idle Air control valve. I have been reading online forums and some think its the transmission losing a gear but I don't think this is the issue. What could cause this?
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If engine speed increases (i.e., the hesitation you are experiencing doesn’t stem from an engine fault), the brakes might be sticking and/or the transmission (clutch, band, low hydraulic pressure, if you have an automatic transmission) is slipping. If you want the required diagnostic steps performed by a certified Mechanic, dispatched by YourMechanic right to your location, please request a diagnostic. If you have further questions or concerns, do not hesitate to re-contact YourMechanic as we are always here to help you.
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