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Topic
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2000 Accord EX 3.0L 6cyl
220k miles
only check engine light is P0420 code. i changed catalytic inverter and O2 sensors
also has new IAC or egr valve. due to idle surging. months agoCar runs great. just moved to florida so ive been using the a/c. when the a/c is on i have multiple issues and they seem to be related:
No Power
1st and 2nd wont shift untill 3500 – 4000rpm
it wont accelerate unless 1/2 or more throttle applied and it hesitates / bogs and rpms wont rise for a few seconds then takes off like a rocket.
and while at cruising speed i can push throttle a lot and car will slowly accelerate and same power even if i let out throttle most of the way. understand? hard to explain. basically if i try to accelerate it doesn’t matter if i push throttle a little or a lot i get same amount of acceleration.
and i get about a 1/4 of mpg with a/c on. Literally. i can fill tank half way and get maybe 80 miles. with a/c off i get 180+mpg per half tank
it seems like maybe all these things are related some how. almost like its not getting enough air or fuel. idk
these symptoms only happen when a/c is on. other wise the car runs great.
someone mentioned that maybe its not getting any advance on ignitionthanks for your help.
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Replies
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Sounds like the compressor is seizing up or over-serviced and dragging the motor down with it. If it were my car, I’d pull the compressor clutch fuse (I think Honda refers to this as Mag. C or something like that, denoting its a magnetic clutch) and go for a drive. If the problem persists then you can rule out the compressor.
so you’re saying I should pull the AC clutch fuse and take a drive with the AC on and see if the problem goes away? Will the AC still engage without the clutch fuse?
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