# 2003 Toyota RAV4 bogs down when accelerating

**URL:** <https://community.cartalk.com/t/2003-toyota-rav4-bogs-down-when-accelerating/139331>\
**Category:** Maintenance/Repairs\
**Tags:** rav4, toyota\
**Created:** [April 27, 2019, 12:34am UTC](https://community.cartalk.com/t/2003-toyota-rav4-bogs-down-when-accelerating/139331 "2019-04-27T00:34:58Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![skip56](https://avatars.discourse-cdn.com/v4/letter/s/3e96dc/32.png) [@skip56](https://community.cartalk.com/u/skip56)\
**Post date:** [April 27, 2019, 12:34am UTC](https://community.cartalk.com/t/2003-toyota-rav4-bogs-down-when-accelerating/139331/1 "2019-04-27T00:34:58Z")

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when accelerating hard the motor bogs down.flue system at 50 lbs,exhaust system checks, replaced the mass air flow system sensor

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**Author:** ![Mustangman](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/mustangman/32/44130_2.png) [@Mustangman](https://community.cartalk.com/u/Mustangman)\
**Post date:** [April 27, 2019, 1:24am UTC](https://community.cartalk.com/t/2003-toyota-rav4-bogs-down-when-accelerating/139331/2 "2019-04-27T01:24:04Z")

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So Skip, is the check engine light on? What are the codes?

What is a flue system at 50 lbs?? Do you mean fuel pressure at 50 psi? How does the exhaust system check? Why did you replace the MAF?