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    bdkkln's Avatar
    bdkkln Posts: 1, Reputation: 1
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    #1

    Jan 13, 2008, 03:00 PM
    Check engine light on 1995 Civic
    Hi,
    I have a 1995 honda civic. Just recently the check engine light has come on. It has 135,000 miles on it.
    Why is it on? What do I need to do?
    Thanks for your help.
    BN
    TxGreaseMonkey's Avatar
    TxGreaseMonkey Posts: 16,761, Reputation: 5597
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    #2

    Jan 13, 2008, 05:56 PM
    Test for codes by jumping the 2-P Service Check Connector, which should be located in a rubber mount under the glove box about 1" from the right kick panel. Carefully remove the connector with a small screwdriver. Jump it with a paper clip and turn the ignition switch to ON (Position II) and count the CEL flashes
    jacob77's Avatar
    jacob77 Posts: 7, Reputation: 1
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    #3

    Aug 17, 2009, 11:44 AM

    I'm having a similar problem, and cannot afford the dealership's diagnostics test. I'd like to test for the codes on my own, but don't know what the service connector looks like. Is it underneath the metallic panel (held in by a phillips-head screw) under the glove box?
    TxGreaseMonkey's Avatar
    TxGreaseMonkey Posts: 16,761, Reputation: 5597
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    #4

    Aug 17, 2009, 11:48 AM

    jacob77, the link below will show you what needs to be done:

    https://www.askmehelpdesk.com/cars-t...tml#post832012
    jacob77's Avatar
    jacob77 Posts: 7, Reputation: 1
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    #5

    Aug 17, 2009, 11:51 AM
    TXGM: Thank you; I appreciate this advice. Unfortunately, I have no idea what these things look like. I don't suppose there is some visual aide available?
    TxGreaseMonkey's Avatar
    TxGreaseMonkey Posts: 16,761, Reputation: 5597
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    #6

    Aug 17, 2009, 12:01 PM

    Not that I know of. Look for the rubber mount--then, you know you've found it. Honda could've made it much easier. I don't know why they made it so difficult.
    jacob77's Avatar
    jacob77 Posts: 7, Reputation: 1
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    #7

    Aug 24, 2009, 05:02 PM
    Quote Originally Posted by TxGreaseMonkey View Post
    Not that I know of. Look for the rubber mount--then, you know you've found it. Honda could've made it much easier. I don't know why they made it so difficult.
    Okay -- I figured out how to jump the connector (if you're interested, I was able to find a visual aide here: Retrieving Trouble Codes via Service Check Connector)

    I counted the number of flashes from the "Check Engine Light" -- four long, one short. Not sure where to find a Diagnostics Code Chart... any advice on how to figure this out?

    Thank you!
    Jacob
    TxGreaseMonkey's Avatar
    TxGreaseMonkey Posts: 16,761, Reputation: 5597
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    #8

    Aug 24, 2009, 05:48 PM

    41 = Primary oxygen sensor heater

    Here's how to replace the oxygen sensor:

    https://www.askmehelpdesk.com/cars-t...tml#post223376
    jacob77's Avatar
    jacob77 Posts: 7, Reputation: 1
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    #9

    Aug 24, 2009, 05:57 PM
    Quote Originally Posted by TxGreaseMonkey View Post
    41 = Primary oxygen sensor heater

    Here's how to replace the oxygen sensor:

    https://www.askmehelpdesk.com/cars-t...tml#post223376
    Thank you -- this is extremely helpful. I don't have the skills nor the tools to do this on my own, but saved about $100 on figuring out the problem myself.
    s2kinteg916's Avatar
    s2kinteg916 Posts: 1, Reputation: 1
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    #10

    Aug 25, 2009, 07:33 AM
    You can buy the oxygen sensor online. You'll save a big over buying it at the dealer or local kragen.
    jacob77's Avatar
    jacob77 Posts: 7, Reputation: 1
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    #11

    Aug 25, 2009, 11:39 AM
    Thanks. Having trouble identifying which is the "primary" sensor... which of the following is the right way to go?

    http://www.autopartswarehouse.com/search/?N=0&Nr=AND(wpn_tl_name:Engine+%26+Drivetrain,wpn_ cat_name:Exhaust+%26+Emissions,wpn_scat_name:Oxyge n+Sensors)
    jacob77's Avatar
    jacob77 Posts: 7, Reputation: 1
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    #12

    Aug 26, 2009, 09:08 AM
    Quote Originally Posted by TxGreaseMonkey View Post
    41 = Primary oxygen sensor heater

    Here's how to replace the oxygen sensor:

    https://www.askmehelpdesk.com/cars-t...tml#post223376
    I should probably ask for your help to confirm that it is the oxygen sensor that needs to be replaced; there were four long flashes and one short flash -- but these did repeat over and over. It's still 41, right?

    Thanks!
    jacob77's Avatar
    jacob77 Posts: 7, Reputation: 1
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    #13

    Aug 26, 2009, 09:19 AM

    Also, can I get away with a regular class sensor? The difference in price between these and the super class sensors is enormous.

    Denso Oxygen Sensor - Auto Parts Warehouse
    TxGreaseMonkey's Avatar
    TxGreaseMonkey Posts: 16,761, Reputation: 5597
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    #14

    Aug 26, 2009, 09:55 AM

    Buy exactly what you have.
    violetwhirl's Avatar
    violetwhirl Posts: 4, Reputation: 1
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    #15

    Aug 25, 2013, 12:01 PM
    Hello, I have a 1995 honda civic but purchased the ODB2 reader which is unfortunately made for cars after 1996 (realized after buying)-- do you know if it will work to buy an adapter for the machine? Seems like they make an adapter for every make but honda. Agree- they could have made it easier! Thanks
    TxGreaseMonkey's Avatar
    TxGreaseMonkey Posts: 16,761, Reputation: 5597
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    #16

    Aug 25, 2013, 01:05 PM
    Never seen one for pre-1996 Hondas.
    Handyman2007's Avatar
    Handyman2007 Posts: 988, Reputation: 73
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    #17

    Aug 25, 2013, 03:44 PM
    Auto Zone scans them for free.
    violetwhirl's Avatar
    violetwhirl Posts: 4, Reputation: 1
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    #18

    Aug 26, 2013, 01:27 PM
    Thank you guys.. well found on YouTube that for '95 civics can just use a dang paperclip attached to the two-prong readout and then count the number of flashes on the check engine light. Got 41- an O2 sensor.
    violetwhirl's Avatar
    violetwhirl Posts: 4, Reputation: 1
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    #19

    Aug 26, 2013, 03:51 PM
    http://www.ebay.com/itm/Honda-3-PIN-OBD-to-ODB2-EOBD-16-PIN-CAR-FAULT-CODE-DIAGNOSTIC-ADAPTER-CABLE-/290787954155?pt=UK_Diagnostic_Tools_Equipment&hash =item43b4500deb

    TxGreaseMonkey, or others who are familiar with pre-1996 Honda- I found this adapter online.. do you think it would work with the CanODB2 (3100) diagnostic tool to give a more thorough read out than the light flashes? It is from England.. having trouble finding info on this. Glad you saw my last post~ thanks
    TxGreaseMonkey's Avatar
    TxGreaseMonkey Posts: 16,761, Reputation: 5597
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    #20

    Aug 26, 2013, 05:23 PM
    A paperclip works fine. I'd return the reader and get your money back.
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