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Car Forum / Honda Cars / December 2005Check Engine Light comes on with code on 88 civic dx hatchback
Hi, I have an 88 dx civic hatchback. I am getting a check engine light coming on with one blinking LED code. Could someone tell me what is wrong? It is fine after I turn off the engine and then restart it. I just changed the oil and spark plugs on it and the light came on a week after. thanks, Will That's supposed to be the code for a malfunctioning oxygen sensor. See http://www.troublecodes.net/honda/hondadtc.shtml . How's your fuel mileage been? Car sound okay? Now it could be just a loose wire somewhere, but given the age of your car, and assuming this is the original O2 sensor, I'd replace it. The good news is that a genuine Honda oxygen sensor for your 1988 Civic may be had for only around $32 + shipping at https://www.automedicsupply.com/ . (I bought one from them for my 91 Civic a year or so ago. Easy installation. Borrowed at no charge an O2 sensor wrench from Autozone. Works great.) I would think that the CEL lighting after the plug and oil change is just a coincidence, as I'm pretty sure the O2 sensor wiring is some distance from everything one would mess with for the plugs and oil change. It is for my 91 Civic. > I have an 88 dx civic hatchback. I am getting a check engine light > coming on with one blinking LED code. Could someone tell me what is [quoted text clipped - 3 lines] > changed the oil and spark plugs on it and the light came on a week > after. > That's supposed to be the code for a malfunctioning oxygen > sensor. See [quoted text clipped - 15 lines] > mess with for the plugs and oil change. It is for my 91 > Civic. Just out of curiosity, does the LED indicator on that Civic use both fast and slow blinking sequences like the Accords of that era do? If so, note that the OP did not specify if the blinking was fast or slow. A fast blink would indicate a problem with the O2 sensor. If it's a slow blink (code 10), I'm not sure what that would be on a Civic; if its codes are the same as on those Accords, it would be the intake air temperature sensor. > Just out of curiosity, does the LED indicator on that Civic use both fast > and slow blinking sequences like the Accords of that era do? If so, note > that the OP did not specify if the blinking was fast or slow. A fast blink > would indicate a problem with the O2 sensor. If it's a slow blink (code > 10), I'm not sure what that would be on a Civic; if its codes are the same > as on those Accords, it would be the intake air temperature sensor. Fair point. My 1984-1995 Civic Chilton's manual indicates there is not a fast and slow ECU light code sequence for any of these Civic years. In particular, for years 1988-1995, my Chilton's manual says: --- For all the conditions listed, the PGM-FI warning light on the dashboard must be on (comes on and stays on). This indicates a problem in the electrical portion of the fuel injection system. At that time, check the LED display (self-diagnosis system) in the ECU/ECM. There is only one LED display. The LED will blink consecutively to indicate the trouble code. The ECU/ECM is located beneath the access panel, under the carpet on the passengers side of the vehicle. Sometimes the dash warning light and/or ECU/ECM LED will come on, indicating a system problem, when, in fact, there is only a bad or intermittent electrical connection. ... blah blah... The memory for the PGM-FI warning light on the dashboard will be erased when the ignition switch is turned OFF; however, the memory for the LED display will not be canceled. Thus, the warning light will not come on when the ignition switch is again turned ON unless the trouble is once more detected. ... blah blah... --- One can read this at the free online manuals for the 1988 Civic at www.autozone.com , too, under "emission controls." Hi, thanks for the link. My fuel mileage has been pretty good. I can go about 343 miles on a tank of gas. Car sounds find, maybe a little rough on the idle. thanks, Will > Hi, > [quoted text clipped - 8 lines] > thanks, > Will what is the code? go to tegger.com for links on reading. report back. Code is a oxygen sensor. Where is this located? thanks, Will > > Hi, > > [quoted text clipped - 10 lines] > > what is the code? go to tegger.com for links on reading. report back. > Code is a oxygen sensor. Where is this located? Go to www.slhonda.com 's online parts site. Put in car info. Go to "Engine" section, then exhaust manifold. You'll see the O2 sensor listed there. View parts to see a drawing of its location. Should be easy to change on your car. Borrow, at no charge last I saw, an O2 sensor wrench from Autozone. Best deal for a genuine Honda O2 sensor for your car may be had at https://www.automedicsupply.com/ . Probably well under $50 for your older Civic. See also the online repair manuals I list at http://home.earthlink.net/~honda.lioness/id9.html, for more drawings of the O2 sensor and how to replace. thanks for the info and links. Will |
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