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Thread: Accord CL7 feels underpowered - PLEASE HELP!

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    Default Accord CL7 feels underpowered - PLEASE HELP!

    Hello all...

    I've been a visitor on this site for many years but this is my first post. I have recently bought a Honda Accord CL7, model 2005, imported and registered 2008.

    Before this car, I had the 1800 Civic, which was quite a fast car. Compared to that, the acceleration of the Accord seems slower - is that the way its supposed to be?

    I discussed this problem with Honda South and with Khan Motors. They both said that it could be the fuel pump. Honda quoted Rs. 48000 for a new fuel pump while Khan Motors quoted Rs. 14,000. I gave the car to Khan Motors - after checking they told me that the fuel pump needed to be serviced and fuel filter was cleaned. This improved the situation slightly, but not much.

    Personally, I don't know too much about cars, so I desperately need the advice of accord owners and experts here:

    1. Is it normal to have drastically reduced performance when the AC is on (for this particular car)?

    2. Could it be the fuel pump needing to be replaced?

    3. Would modifying the air intake and the direct exhaust make a difference?

    4. Someone suggested that it seems like the AC is putting too much of a load on the car, which can happen if gas is incorrectly filled in the ac. Is this true?

    Your help and advice would be greatly appreciated. I am so disappointed in this car because of these problems, specially since I have always wanted this model of Accord. Should I just sell it?


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    The problems you listed are one of the reasons why people opt for a Brand new Civic then a few years old import.
    These problems are pretty much normal cause most illiterates here use these imports as sports cars and abuse the hell out of them.

    Khan motors is a very reputed workshop so I am sure that whatever they did with your suspension will last, they also have a lot of experience in this field. But however if you encounter similar problem again then do pay them another visit.

    I would advise you to change the fuel pump, get tuning done and change all the liquids in the car to kinda give it a fresh life.

    And if both workshops are assuming that this problem is caused by fuel filter, then i guess that is the culprit.

    The "direct exhaust" your friend told you about is actually called a "free flow exhaust". They remove all the dholkis or whatever and make a free flow pipe all the way down the car which gives a nice sound and improves performance a bit. That's a different matter depending upon if you want to increase the factory performance. I don't see how that can fix the main targeted problem as free flow exhaust is like an add on, i don't think it can resolve this issue.

    Modifying the exhaust system and adding an air intake will increase your performance but I feel that the problem will still persist, but you will just get a slight gain in performance.

    Its normal to have a slightly reduced acceleration when AC is on but definitely not a drastic difference.

    You should take the car to a reputed AC mechanic and have him sort out this issue, he'll tell you best if the gas for AC is filled incorrectly or incompletely.

    Hope I was of help..
    -

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    1. Have your air filter checked out and replaced if needed

    2. Have the throttle body serviced

    3. Check the catalytic converter to see if its choked, if it is, then that is the reason for the car acting sluggish. You should eventually get a MIL on the dashboard if this keeps up.

    4. Lastly have the rear O2 sensor checked out to see if its working properly. You can have that done at any good workshop which has a proper OBD scanner. The scanner will graph out the sensor readings.

    I would suggest you take your car to Road Runners (ask for Ayub or Amjad). They are competent people who know what to do.

    The "direct exhaust" your friend told you about is actually called a "free flow exhaust". They remove all the dholkis or whatever and make a free flow pipe all the way down the car which gives a nice sound and improves performance a bit. That's a different matter depending upon if you want to increase the factory performance. I don't see how that can fix the main targeted problem as free flow exhaust is like an add on, i don't think it can resolve this issue.
    This is an extremely stupid "solution" to say the least. Not only will it increase exhaust noise to unbearable levels, it will toss the fuel economy out the window.

    Modifying the exhaust system and adding an air intake will increase your performance but I feel that the problem will still persist, but you will just get a slight gain in performance.
    CL7/9 already has a cold air intake with resonator, changing it will actually decrease the performance rather than give it any boost. All an aftermarket intake does for such cars is reduce low end torque and increase intake noise. Not recommended.

    Oh yes one more thing, check the cabin filter of your car. If its clogged, not only will cooling go down the toilet the AC compressor will be unable to trip like it is supposed to.
    ProSpeed Imports -- www.prospeedimports.com -- Car parts direct from USA, Japan & Europe to your doorstep! Email us at special.requests@prospeedimports.com. Don't forget to ask about our special car wrapping, change the color of your car without changing the paint ;-)

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    Thanks guys for the quick response...

    Is Road Runners in Karachi? Where exactly is this?

    Quote Originally Posted by Cylestyne View Post
    1. Have your air filter checked out and replaced if needed

    2. Have the throttle body serviced

    3. Check the catalytic converter to see if its choked, if it is, then that is the reason for the car acting sluggish. You should eventually get a MIL on the dashboard if this keeps up.

    4. Lastly have the rear O2 sensor checked out to see if its working properly. You can have that done at any good workshop which has a proper OBD scanner. The scanner will graph out the sensor readings.

    I would suggest you take your car to Road Runners (ask for Ayub or Amjad). They are competent people who know what to do.

    This is an extremely stupid "solution" to say the least. Not only will it increase exhaust noise to unbearable levels, it will toss the fuel economy out the window.

    CL7/9 already has a cold air intake with resonator, changing it will actually decrease the performance rather than give it any boost. All an aftermarket intake does for such cars is reduce low end torque and increase intake noise. Not recommended.

    Oh yes one more thing, check the cabin filter of your car. If its clogged, not only will cooling go down the toilet the AC compressor will be unable to trip like it is supposed to.

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    Road Runners is located near Tooba Masjid in defence.
    ProSpeed Imports -- www.prospeedimports.com -- Car parts direct from USA, Japan & Europe to your doorstep! Email us at special.requests@prospeedimports.com. Don't forget to ask about our special car wrapping, change the color of your car without changing the paint ;-)

  6. 31-08-2010, 05:15 PM

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    I have an Accord CL7 2006 since two years now and have driven already 33000km on it, in total now 60,975km. I suppose Triptronic gearing system is meant for fast acceleration though I will advise you not to abuse this beautiful car. It already has a smooth smooth drive which no local car can give. I drove this car to test enhancement in mileage for one day at 45 to 50rpm and guess what I get in return 19.9km/l !!!! On an average it gives 9 to 10 km/l in city and about 14km/l on motorway. Enjoy the ride...

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    mhansari follow what Mr.Cylestyne has said you will not be disappointed
    RIP

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    Quote Originally Posted by qwertypoiu View Post
    mhansari follow what Mr.Cylestyne has said you will not be disappointed
    +1
    www.facebook.com/performancepartslahore

  10. 31-08-2010, 07:18 PM

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  11. 31-08-2010, 07:28 PM

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    the usual problem with import cars is that they have been serviced at all.. find a nice workshop and have them do a proper injector flow test, fuel pressure check and also the engine coolant should not be too concentrated or too old, it can run the engine too hot and result in loss of power. Dont miss the cat convertor as mentioned above.

    I resolved a similar problem in a camry - the problem was a dirty EGR and weak primary O2 sensor - with the EGR cleaned and sensor replaced it was back to new

    About your car vibrating - it is very normal as your engine is a 4 cyl - all 4 cyl engines vibrate a little
    ZRS - Zulfiqar Racing Systems ..... - professionals at work - at crackwheels.com

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    I am now an even bigger fan of this website

    Gentlemen, thank you very much for the kind advice and suggestions. I will be visiting Road Runners soon and will report on the situation.

    One more question: is it true that if the battery of the CL7 is disconnected, the Sat nav/audio control system (LCD Screen wala) stops working and is locked?

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