I live in NYC.. Im sure there a more than 2 5th Gens Prelude in town but non of my friends really own a Prelude. They've all gave in to society's trend and driving bmws and SUVs..
Lame. Although one guy in my prelude club got a 135i, and it is pretty damn sweet. Twin turbo, straight 6, 3.0liter. WHOOOOOOOOO. Try finding a NY prelude club website. Somebody should be able to help with the ECU. In the meantime, check the grounds and clean the IACV.
Yes, I think as far as the misfire is concerned it should work, but you will get a code for the ATTS, So the ATTS light will be on, and once you get the ECU in you may want to go to Autozone and have them read the codes to see exactly what codes are coming up. (write them down and post them up. I might be able to help more if I know the exact codes.)Also, make sure the donor ECU is from a 5 speed. Oh, and how many miles are you at? You may need a valve adjustment. It's supposed to be done every 30k miles, I think. I dunno. I adjust my valves whenever the engine starts ticking a little louder than normal. It's also listed as a possible cause for a misfire. Did you clean the IACV yet?
IACV was cleaned already. My lude just hit 102000 miles. I didn't get the code from the guy at Honda last time. He just told me it was multiple misfiring. I will get the codes next time I go back if the light come up again. I haven't gotten around to driving my car in the past few days. I will also ask him about the valve adjustment. I know my car is WAY overdue for one because it takes forever for my car to warm up. I did not know that will cause misfiring. I will definitely bring this to his attention. I also need to replace timing belt and water pump.... =x
If your using high octane gas it shouldnt have anything to do with the misfire, using low grade fuel causes pinging and may cause a misfire. You mentioned that you replaced cap, rotor, plugs and wire-all done at Honda. Have you checked the gaps on the plugs? Make sure there within specs. How is the car running?
The car runs fine and the mechanic at Honda drove it for a good 10 mins on the highway with me and no problem what so ever. I am pretty sure the ECU is fine because the ABS light came on once and I fixed the problem and it has been off ever since. The check engine light still come on displaying multiply misfiring though.
Do you know if they have tested your ignition coil? What about the ignitor (located in the distributor)? Have they checked your cam position sensor and the crankshaft position sensor? Have they checked the play in the distributor shaft?
If I were in your shoes, I would get all of the above checked out. Some of the stuff I have listed are things you can check yourself so it may be worth your time downloading the Helms manual and figuring out how to test some of the above.
It won't be the ICM (ignitor).....the original post says the distributor was replaced. And Honda would've replaced the plugs with OEM Platinums, which don't get gapped. I suppose it could be the coil, but from what I hear, they RARELY go bad.
Like Vpuppy says, it could be a sensor, but I'd think you'd get the code for that sensor also. This has me stumped. Has Honda tested your injectors yet? You might wanna try it. You could have an injector going bad. Also, tell the tech at Honda that you want to know exactly what codes it is throwing (P0301, P0302....etc) They can't just keep telling you that it is throwing multiple misfire codes. Or take it to AutoZone or PepBoys and have them read the codes (FOR FREE) so you can give them to us.
I just got a code 76 today which I assumed means Random Misfire since I don't have 6 cyclinders. It is a stock 98 Auto with 121k miles. It was bitterly code and I didn't notice any performance issues.
Have you had any luck diagnosing this issue? How harmful is it to drive the car like this?
I just got a code 76 today which I assumed means Random Misfire since I don't have 6 cyclinders. It is a stock 98 Auto with 121k miles. It was bitterly code and I didn't notice any performance issues.
Have you had any luck diagnosing this issue? How harmful is it to drive the car like this?
Well It has been almost 2 weeks since I last took my car to Honda. My CEL light is on again and I contacted the mechanic already. I just have to bring the car in to have them check the codes for me and ask him to retrieve the code for me to see what's up this time. In my case, my CEL always shows up misfiring but when I drive it, I don't notice any performance issues. The 3 of the mechanics at Honda also driven it and didn't feel any performance issues.
when u changed your spark plugs did it have oil on them? that could be it!
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I do noticed that the CEL light will blink when the car is in neutral for a while. As it blinks, the car starts to idle a bit. Once I start to move the car, the idling stops and the CEL light will stay on without blinking.
Go drive down the highway for about 30 min until the engine gets nice and warm. Then park at home and let it sit for about 15 min and then pull your spark plug. see if they are wet w/ coolant or oil. Also a compression check would be very helpful. You can buy your own compression test kit for like $20 buck at most auto stores. Did honda not know what the code was? I had a random #2 cylinder filling up w/ coolant after the engine got warm. Needless to say the head came off, was "decked" and had a great port polish, oversized valves, guides, seals, springs, locks, 3 angle valve job.
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