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Slow Acceleration When Ac Is On

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    #1

    Slow Acceleration When Ac Is On

    What's up cbtuner...I wanna know if this normal or not everytime I turn on the AC my car will accelerate real slow like it just lost power but when its off it accelerate fine with no problem...the car has 170xxx its an automatic sedan se model 1993
    Tags: None
    #2
    That's normal. The Aircon uses a compressor that runs off the engine, and it takes a decent amount of power to run it. If I had to guess, I'd say the car feels like it loses 20-30hp when the AC is turned on. You really have to boot it to get anywhere, which is why I only use my AC once I'm up and moving. I'm considering wiring up an interrupt switch to my throttle to turn off the AC at full throttle.

    Your gas mileage will also drop when the AC is turned on. Turning the AC on can also make for decent traction control in the rain/snow.

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      #3
      thanx a lot for the quick reply now that I know its normal I feel stress free about the problem.

      Comment

        #4
        Originally posted by Phate View Post
        That's normal. The Aircon uses a compressor that runs off the engine, and it takes a decent amount of power to run it. If I had to guess, I'd say the car feels like it loses 20-30hp when the AC is turned on. You really have to boot it to get anywhere, which is why I only use my AC once I'm up and moving. I'm considering wiring up an interrupt switch to my throttle to turn off the AC at full throttle.

        Your gas mileage will also drop when the AC is turned on. Turning the AC on can also make for decent traction control in the rain/snow.
        Yikes! my car definitely doesn't feel like it looses 20 to 30 hp when its on. Are you guys running autos? Mines a manual. I read somewhere that its 10-15 hp for a generic AC compressor, i'm guessing that means small sedan.

        I don't know alot about AC systems so i'm hesitant to say that there is something that could cause it to drag more then a healthy system, maybe someone will chime in and educate us. Do you hear a lot of noise from your compressor with the AC on?

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          #5
          It definitely does drain some power, even my H22 engine suffers from this and its a 5spd. But I'm not sacrificing my AC, especially during AZ summers.

          Just don't race around when your AC is on and you'll be okay lol

          member's ride thread
          93' EX Coupe H22A w/ P2T4 Sir 5spd 191whp 155 wtq
          99' Lexus LS400 157k VVTi V8 gets up & goes...new DD
          91 Accord SE 176k
          97' Honda Odyssey 199k miles...$485 spare van for my parents

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            #6
            yeah i have a 91 ex coupe 5 speed and when the a/c is on talk about slow haha and i feel you on the heat Losiracer2, but at least yours is dry heat, unlike mine its humid like a mofo...today..97 degrees, humidity is 90%

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              #7
              my cd5 auto is horrible when the ac is on, thats why i never use it

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                #8
                Mine isn't too bad when it's on. It is noticeable though. A/C is over rated anyhow...just drive fast with the windows down!
                1993 Accord LX *Under construction*
                http://www.cb7tuner.com/vbb/showthread.php?t=162083 <---MRT

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                  #9
                  Originally posted by Darren93 View Post
                  Mine isn't too bad when it's on. It is noticeable though. A/C is over rated anyhow...just drive fast with the windows down!
                  I wish that were true here in AZ...feels like you've got a hair dryer blowing in your face when you roll the windows down...

                  Comment

                    #10
                    Originally posted by Darren93 View Post
                    Mine isn't too bad when it's on. It is noticeable though. A/C is over rated anyhow...just drive fast with the windows down!
                    says the guy from Denver, CO haha. Imagine your winters with no heat, thats what are summers are like w/ no AC lol

                    member's ride thread
                    93' EX Coupe H22A w/ P2T4 Sir 5spd 191whp 155 wtq
                    99' Lexus LS400 157k VVTi V8 gets up & goes...new DD
                    91 Accord SE 176k
                    97' Honda Odyssey 199k miles...$485 spare van for my parents

                    Comment

                      #11
                      well my cb7, from the looks of it has everything required for AC, i just think i need the gas to check if i have a leak in some of the pipes, since all i really needed to wrry about over the winter was heat, i got my heater fixed, but this summer is working on being a hot one, so what do u guys think? just get some AC gas?? btw srry to thread jack lol

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