Shifting hard and revs up

2005 VOLKSWAGEN JETTA
156,341 MILES • 2.0L • 4 CYL • AUTOMATIC
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ANN BLUE HARRIS
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When car is in low gear the rmp's go up and down. When I give it gas it acts like it does not want to go and revs up. I let off the gas and wait a few seconds and give it gas and same thing happens, it also will jerk. Some times it will go but crawl to get up to 25 mph. I have had the transmission serviced and I am still experiencing this problem. It also shifts hard. Help please. Thanks
Oct 21, 2018 at 8:25 PM
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STRAILER
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Hello,

This sounds like a classic input shaft speed sensor that has gone out, but lets run the codes first. Here is a guide:

https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing

Here is the location of the sensor below. Check out the diagrams (below). Please let us know what you find. We are interested to see what it is.

Cheers, Ken
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Oct 23, 2018 at 11:12 AM