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92 Accord: Odd Sputting at Warmup, CEL comes on, however no codes show when checked.

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    #1

    92 Accord: Odd Sputting at Warmup, CEL comes on, however no codes show when checked.

    My brother-in-law has a 92 honda accord. After the car has warmed up, it starts to sputter occasionally, and the CEL comes on.

    Following the CEL check procedure on your website I am unable to see any codes.

    Any Ideas how to get the codes out of it? Also where should I been looking first.
    Last edited by dragonhrt; 10-29-2008, 07:58 PM.
    Tags: None
    #2
    reset the ecu???

    Comment

      #3
      If the CEL is on, there has to be at least one code.

      "The fault-finder will find faults even in paradise. Love your life, poor as it is. You may perhaps have some pleasant, thrilling, glorious hours, even in a poorhouse."-Henry David Thoreau

      Comment

        #4
        Originally posted by 91project View Post
        reset the ecu???
        ECU reset, no difference.

        I forgot to mention, when I jumper the blue, the CEL light does not stay on solid (goes out after 3 sec's). Also if I turn off and turn on the car, the cel goes away.
        Last edited by dragonhrt; 10-29-2008, 07:57 PM.

        Comment

          #5
          isnt a 0 code from a CEL a bad ECU?

          Comment

            #6
            Originally posted by Flatline View Post
            isnt a 0 code from a CEL a bad ECU?
            It does generate a cel after running for 20 min, so you would think the ECU would have to be working. The CEL goes away everytime the car is shut off and restarted.

            Comment

              #7
              I am going to replace the O2 sensor after reading

              http://www.samscars.com/mage4.htm

              Comment

                #8
                Did you check the distributor and spark plugs? sounds like an ignition issue. a bad fuel filter can do this also

                Comment

                  #9
                  Originally posted by lucky#sleven View Post
                  Did you check the distributor and spark plugs? sounds like an ignition issue. a bad fuel filter can do this also
                  replaced the spark plugs/wires/distrib, problem still there.

                  Why i am thinking it is the o2 sensor, in b/c it only has problems with the engine is warm, and been running for a couple min... I debating s/c the sensor to see if the hesitations will go away. If I shut of the car ans restart it the cel goes away, and the car runs good for a couple min, sputters, cel comes on.
                  Last edited by dragonhrt; 10-31-2008, 06:46 PM.

                  Comment

                    #10
                    Check your fuel filter.
                    O2 sensor defect will give you a code.
                    Keep trying to get the code. If you are not able to , get a space ecu and put it in.

                    1993 Honda Accord LX 2004-2009
                    1996 Honda Civic LX 2009-2012
                    2012 Kia Optima LX 2012-2013
                    2010 Honda Accord EX-L V6 2013-2018
                    2007 Honda Fit Sport 2017-2017
                    2018 Honda Accord EX-L 2.0T 2018-20XX





                    Comment

                      #11
                      Originally posted by dragonhrt View Post
                      It does generate a cel after running for 20 min, so you would think the ECU would have to be working. The CEL goes away everytime the car is shut off and restarted.
                      yeah, a bad ECU will throw a CEL but will have no code when checked. Do you have another ECU from a friend or something you can test?

                      Comment

                        #12
                        Originally posted by Flatline View Post
                        yeah, a bad ECU will throw a CEL but will have no code when checked. Do you have another ECU from a friend or something you can test?
                        dam u guyz r awesome no homo cuz my car has the same problem n at first i thought it had to do wit da IACV cuz i read a thread about if its loose dan it would make the CEL turn on and it will make the car have a rought idle on low rpms.. but now that i read this i think that i have a bad ecu too but dnt have a computer 2 read the codes... how much does it cost to buy that computer?? and where is it that i connect it to on the car?? can some one help me out please thanks in advance... ps ur help might make me decide 2 stay wit my cb7... this is the only reason y i want to get rid of it and because its auto but ima do the auto to manual swap myself...
                        Last edited by los170bx; 10-31-2008, 10:54 PM.

                        Comment

                          #13
                          Originally posted by Flatline View Post
                          yeah, a bad ECU will throw a CEL but will have no code when checked. Do you have another ECU from a friend or something you can test?
                          Off to the junker for an ECU i guess

                          Comment

                            #14
                            Originally posted by Flatline View Post
                            yeah, a bad ECU will throw a CEL but will have no code when checked. Do you have another ECU from a friend or something you can test?
                            Off to the junker for an ECU i guess

                            Comment

                              #15
                              Originally posted by los170bx View Post
                              dam u guyz r awesome no homo cuz my car has the same problem n at first i thought it had to do wit da IACV cuz i read a thread about if its loose dan it would make the CEL turn on and it will make the car have a rought idle on low rpms.. but now that i read this i think that i have a bad ecu too but dnt have a computer 2 read the codes... how much does it cost to buy that computer?? and where is it that i connect it to on the car?? can some one help me out please thanks in advance... ps ur help might make me decide 2 stay wit my cb7... this is the only reason y i want to get rid of it and because its auto but ima do the auto to manual swap myself...
                              you don't need a computer to check you CEL codes. just find the blue two-pin harness that isn't connected to anything under the passenger kick panel. then jump it with a spare wire or a paperclip. the CEL light will flash.


                              if it is on for two seconds count that as 10. then count the short pulses as ones. add together and you got your code.


                              so for example, mine shows me a VTEC solenoid code. it's 21. thats two long pulses, and one short one. there is also a whole DiY on how to diagnose what each code means.

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