1999 Honda Accord Hesitation at 3500 RPM

1999 HONDA ACCORD
180,000 MILES • 4 CYL • FWD • AUTOMATIC
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JULNJOHN
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My 99 Accord is experiencing hesitation, shaking and lack of power - but only at about 3500 rpm. Makes no difference what gear it's in, but it typically happens when I'm going up a hill or need to "downshift" to get more power. I was thinking of starting with the air filter.....the 02 sensors probably need changed at this point too - could they be causing this symptom?
Aug 31, 2010 at 10:14 AM
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KHLOW2008
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Hi julnjohn,

As the hesitation is rather predictable, it most likely is not due to the O2 sensors. A more likely cause would be the Vtec valve operatrions. Check the engine oil level and condition.

Is the Check engine Light indicating?
Sep 2, 2010 at 12:52 PM
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JULNJOHN
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Yes......the check engine light is on - it has been due to the O2 sensors needing replaced (took it to Advance Auto a while ago and had them put the computer on it - it said the code was for the O2 sensors). I suppose since it's already on, it could be tripping for another reason too. I just had to sink $1,000 into it because the frame was cracked so I couldn't afford to replace the O2 sensors just yet. I replaced the air filter and that has not made any difference. NEVER had these kinds of problems with a Honda before......I will check the oil, but get it changed on a fairly regular basis. Thanks!
Sep 2, 2010 at 2:26 PM
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KHLOW2008
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Get the trouble codes retrieved again and let me know the EXACT code.
Sep 3, 2010 at 6:49 AM
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JULNJOHN
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I will go and have it checked today - I did check the oil too and the level and condition look fine.......

Thanks for your help - I'll let you know the code as soon as I can.
Sep 3, 2010 at 9:44 AM
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