# 2005 Mazda RX-8 - Misfires **URL:** \ **Category:** Maintenance/Repairs\ **Tags:** mazda\ **Created:** [December 10, 2019, 8:30pm UTC](https://community.cartalk.com/t/2005-mazda-rx-8-misfires/154420 "2019-12-10T20:30:20Z")\ **Posts on this page:** 10\ **Page:** 1
**Author:** ![Jon18](https://avatars.discourse-cdn.com/v4/letter/j/53a042/32.png) [@Jon18](https://community.cartalk.com/u/Jon18)\ **Post date:** [December 10, 2019, 8:30pm UTC](https://community.cartalk.com/t/2005-mazda-rx-8-misfires/154420/1 "2019-12-10T20:30:21Z")
Engine runs ok, starts ok. Once the gas pedal goes past halfway everything is a misfire and i dont accelerate. I can drivr fine if i press gas lightly ---
**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:** [December 10, 2019, 8:43pm UTC](https://community.cartalk.com/t/2005-mazda-rx-8-misfires/154420/2 "2019-12-10T20:43:48Z")
More information about your car, please. Is the check engine light on? How many miles on it? ---
**Author:** ![animeownz\_160824](https://avatars.discourse-cdn.com/v4/letter/a/b5ac83/32.png) [@animeownz\_160824](https://community.cartalk.com/u/animeownz_160824)\ **Post date:** [December 12, 2019, 7:09am UTC](https://community.cartalk.com/t/2005-mazda-rx-8-misfires/154420/3 "2019-12-12T07:09:57Z")
Hello, yes its on after the misfires. It has 75k on it. ---
**Author:** ![texases](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/texases/32/862_2.png) [@texases](https://community.cartalk.com/u/texases)\ **Post date:** [December 12, 2019, 8:52am UTC](https://community.cartalk.com/t/2005-mazda-rx-8-misfires/154420/4 "2019-12-12T08:52:18Z")
Get the code read causing the check engine light and tell us what it is. ---
**Author:** ![animeownz\_160824](https://avatars.discourse-cdn.com/v4/letter/a/b5ac83/32.png) [@animeownz\_160824](https://community.cartalk.com/u/animeownz_160824)\ **Post date:** [December 12, 2019, 3:16pm UTC](https://community.cartalk.com/t/2005-mazda-rx-8-misfires/154420/5 "2019-12-12T15:16:01Z")
0301 cylinder 1 misfire ---
**Author:** ![Tester](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/tester/32/15976_2.png) [@Tester](https://community.cartalk.com/u/Tester)\ **Post date:** [December 12, 2019, 6:28pm UTC](https://community.cartalk.com/t/2005-mazda-rx-8-misfires/154420/6 "2019-12-12T18:28:02Z")
Your vehicle has a drive-by-wire throttle body. No throttle cable. The throttle pedal position sensor sends a signal to the computer, and the computer operates the electronic throttle body from that signal. So there may be a problem with this system. But have someone try cleaning the electronic throttle body to make sure that isn’t causing the problem. Tester ---
**Author:** ![shanonia](https://avatars.discourse-cdn.com/v4/letter/s/9de053/32.png) [@shanonia](https://community.cartalk.com/u/shanonia)\ **Post date:** [December 12, 2019, 6:43pm UTC](https://community.cartalk.com/t/2005-mazda-rx-8-misfires/154420/7 "2019-12-12T18:43:27Z")
> [@animeownz\_160824](#): > > 0301 cylinder 1 misfire At least I would check for clean and secure connection between that cyliner’s coil and spark plug. Take out the plug, too, and see its condition and measure its gap. ---
**Author:** ![Cavell](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/cavell/32/43396_2.png) [@Cavell](https://community.cartalk.com/u/Cavell)\ **Post date:** [December 12, 2019, 6:59pm UTC](https://community.cartalk.com/t/2005-mazda-rx-8-misfires/154420/8 "2019-12-12T18:59:27Z")
its a 2 rotor rotary motor. it does not have cylinders. ---
**Author:** ![animeownz\_160824](https://avatars.discourse-cdn.com/v4/letter/a/b5ac83/32.png) [@animeownz\_160824](https://community.cartalk.com/u/animeownz_160824)\ **Post date:** [December 12, 2019, 7:21pm UTC](https://community.cartalk.com/t/2005-mazda-rx-8-misfires/154420/9 "2019-12-12T19:21:27Z")
Well yes i know that, but thats the error code. Just mean the 1st housing no? ---
**Author:** ![Cavell](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/cavell/32/43396_2.png) [@Cavell](https://community.cartalk.com/u/Cavell)\ **Post date:** [December 12, 2019, 11:39pm UTC](https://community.cartalk.com/t/2005-mazda-rx-8-misfires/154420/10 "2019-12-12T23:39:31Z")
you Know it’s a rotary motor. It’s the others who do not.