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Civic sputtering before 4000 rpm

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Old Nov 24, 2003 | 09:21 AM
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Default Civic sputtering before 4000 rpm

OK, I still have yet to get this one. 94 civic dx with the 1.5 soch motor. It sputters real bad before 4000 rpm and I think is running extremely rich. At 4 grand, everything seems to clean up fine except there's still a small hint of the sputtering. I have changed plugs and wires, put on different injectors, and still have the same issue. Now I know the next obvious step would be to change dist. cap and rotor, maybe fuel filter and new air filter, basically to finish up a general tune up. I was also thinking it may be a sensor... wether it be a o2 or tps, but I am not sure if that would have thrown a code or not. In a nutshell, I am looking to see if anyone else has any odea what else it could be before I take off with this. Thanks in advanced.
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Old Nov 24, 2003 | 10:19 AM
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i am pretty sure a code will be thrown for a o2 sensor or a code that will relate to it.

what is up with all the fuel problems lately? has anyone else noticed this?
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Old Nov 24, 2003 | 03:15 PM
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same prob
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Old Nov 24, 2003 | 03:24 PM
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Originally posted by chi town brat
what is up with all the fuel problems lately? has anyone else noticed this?
Not to derail, but most likely weather change. If you have a not-so-tight gas cap, you're gonna get some condensation in the tank and maybe foul out plugs and such.... just a stab.

For my issue though, I am not so much worried about the fuel problem, I just want the car to stop jerkin around when I start to drive it...
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Old Nov 25, 2003 | 12:01 PM
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I've been having the same prob for about a month. Im running an OBD-2 ECU with an OBD-1 B16 and I think that might be my prob, but im not sure.
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Old Nov 25, 2003 | 01:31 PM
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I would pull the codes to see if there is a problem,IF nothing shows
check fuel pressure,check dizzy,check cap,Pm ME
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Old Nov 25, 2003 | 10:08 PM
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well, no codes are being thrown... since I have a 3 day weekend, I am gonna change dis cap, rotor, and maybe a fuel filter to try and take care of sputtering. As for my car running rich, I cant think of anything else than maybe a fuel pressure regulator gone badf or something...
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