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Old 06-14-2018, 03:55 PM   #1  
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P2102 Code Help Please

I washed my car in the driveway last night...got lazy and pulled it in the garage and shut it off cold. This morning the car would not start and I knew I had flooded it...my bad. Long story short, I got it started and it is running fine but now my check engine light is on. I put a code reader on and got a code: P2102 - Throttle actuator power supply line circuit low input .
I have no idea what this means. Can any one enlighten me? I would greatly appreciate any information.
My check fluid light has been on continuously for the past couple of years and I have learned to ignore it as I know about the issues with this.
The check engine light is probably not one that I should ignore.
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Old 06-14-2018, 04:14 PM   #2  
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never fear, Jedi is here!

https://www.rx8club.com/series-i-tro...it-low-197265/

check the wire harnesses, maybe you got some water where it wasn't supposed to go?
I'm scanning that thread as well for other possible causes
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Old 06-14-2018, 04:15 PM   #3  
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Check fluid light? Do you mean coolant level?

That's a weird code, it basically means the throttle actuator isn't getting the correct input voltage. Might be a side effect of the deflood attempts, perhaps the battery got a little low. I would clear the code and see if it comes back at all.

Also, a healthy RX8 shouldn't flood in this weather. So you may want to think about refreshing the ignition components.
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Old 06-14-2018, 04:17 PM   #4  
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RX-8's with spark plugs less than 10 years old and recent flashes (post 2007) shouldn't really flood at all.
I've TRIED to flood mine and haven't been able to. Maybe the Force is just stronger in my RX-8
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Old 06-14-2018, 04:18 PM   #5  
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I'm with Loki: clear codes, could be an anomoly.
but check the wire harnesses and grounds.
also, might not hurt to clean out the throttle body
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Old 06-14-2018, 08:58 PM   #6  
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Thanks for the input everyone. I know it flooded because I only reversed it 10 feet into the garage and shut it off. It barely had time to even know it was running! LOL
I think I will clear the code and see if it comes back. The car seems to be running fine other than the check engine light and the fluid level light being on. All my levels are fine. I had booster cables on a running vehicle so I would not run the battery down so other than maybe wiggling some wiring I think my best bet at the moment will be to clear the code and see what happens. I will be away for the next few days so I will report back in next week with any news.
Thanks again everyone is always so helpful here
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Old 06-30-2018, 11:00 AM   #7  
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I cleared the code on my car and have been driving with no problems and the check engine light has not come back on so...I think it's safe to say that is was probably because of me flooding the engine.
Thanks again for the suggestions from everyone
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