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Code P2646 and cut off 5500 rpm

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Old 04-20-2018, 07:58 AM
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Unhappy Code P2646 and cut off 5500 rpm
Hi, I have a 2005 acura tl base W / Navi, and I have a problem! My acura does not go higher than 5500 rpm, so it cut off at 5500 and when I have it at 5500 it recognizes a code after 4 seconds ... the code is P2646 ... I am a teacher and have my propose to change my oil pressure switch vtec. I change it and it does not change anything!

ps: it detects the code P2646 only when I hold the 5500 rpm after about 4 seconds otherwise it does not detect thank you !!
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Old 04-20-2018, 08:06 AM
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when was the last time you did an oil change

https://acurazine.com/forums/3g-tl-p.../p2646-951194/
https://acurazine.com/forums/3g-tl-p...7-tl-s-888175/
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Old 04-20-2018, 08:22 AM
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i bought this Tl 3 weeks in dealer ! this tl ride verry good other this probleme
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Old 04-20-2018, 08:23 AM
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pleas help me
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Old 04-20-2018, 08:39 AM
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thoiboi gave you a great starting point. check those threads he linked
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Old 04-20-2018, 09:09 AM
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Are you revving in neutral? It wont go above that.
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Old 04-20-2018, 09:57 AM
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I say ( N =Neutral ) 5500 rpm is lunch contrôle, pleas Help me
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Old 04-20-2018, 09:59 AM
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Originally Posted by stevemk07
Are you revving in neutral? It wont go above that.
good shit, I didnt even catch that...

OP, you cant go above 5000 RPM in N
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Old 04-20-2018, 10:13 AM
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my engine has full oil, but the transmition remains more oil, really little! its the one report or really no way
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