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-   -   mysterious lack of acceleration (https://volvoforums.com/forum/volvo-s80-18/mysterious-lack-acceleration-45894/)

sadie41 09-24-2010 11:30 AM

mysterious lack of acceleration
 
Has this happened to anyone or know what may be my problem before I take it into some Import Auto place thats gonna charge me out the ass...

no engine problems... just got stardard maintence done at the end of the summer... a diagnostic and everything... everything turned out great...

until the other night just leaving a restaurant i go to start my car and accelerate away and i dont go more than 1500rpm or more than 5-10mph. the engine doesnt sound like its over revving or anything its just powering at about where it should if i just wanted to go 5-10mph. but i can floor it and it wont go anywhere.

i turn the car on and off a couple times and it finally comes back and i can get where i need to go. but then it will do it again one of the next couple times i go to use it. a local car place didnt know what to do so they suggested a import place thats gonna be expensive just for a diagnostic.

any ideas before i break the bank!?

thanks sooooo much.

tech 09-24-2010 07:26 PM

Check engine light on?

sadie41 09-24-2010 10:03 PM

yes it did come on when this started happening. it was not on before hand however.

tech 09-25-2010 06:15 AM

What are the codes?

sadie41 09-28-2010 12:34 PM

throttle position sensor

travismail 09-30-2010 10:24 AM

Your ETM needs replacing by the dealer if you have <200k and <10yrs old.


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