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Car Forum / Kia Cars / March 20062001 Spectra bucks during acceleration
The check emissions light is on constantly now but the car idles fine. once the accelerator is applied in first second and third gears the car bucks and the check emissions light starts to flash. once up to speed the bucking stops. usually only bucks for 3 -4 seconds. and the light stops flashing as well but stays lite. (manual tran). it also does this at high speeds on the highway if going up a hill. i have had two different opinions 1 that there is a vacuum leak 2 i need to replace the fuel filter The car has 67000 miles. Where is the fuel filter located and is it easy to replace? or at least somewhat accessable? Well i changed the fuel filter.. still does it. i took apart most of the vacuum system and put it back together looking for leaks and came up empty handed.. i know the car had a problem several years ago with the vacuum system.. a tube kept coming off so it was soldered in place.. if that helps any.. i looked for the soldered tube but couldnt find it.. i did see two solder splaters on top of the engine but no soldered tube.. > The check emissions light is on constantly now but the car idles fine. > once the accelerator is applied in first second and third gears the car > bucks and the check emissions light starts to flash. once up to speed the > bucking stops. usually only bucks for 3 -4 seconds. and the light stops A flashing CEL means a misfire has occured. First thing to check would be the condition of plugs and wires. If that turns up nothing, then it sounds like something is momentarily giving a bad reading, mass airflow, O2, TPS, or the like. Whats the code the computer is giving you? Chris i Dont know the code. How do i find out what the code is? i will check the plugs and wires once my girlfriend brings the car home. Update: the light is still on constantly and and starts to flash and buck like before going into gears. no worse no better yet. ill get back to you after checking the wires Greg I am experiencing the identical problem, identical car, Kia Spectra 2001- Idles Rough, Sputters when applying gas pedal like it's not getting any gas, CEL is on always. I've replaced the fuel filter, plugs, air filter MAF sensor, none of these made any difference. Could it be as easy as new wires? The wires appear to be completely fine. My error codes read misfire on ALL FOUR cylinders. 301-304. >i Dont know the code. How do i find out what the code is? i will check the >plugs and wires once my girlfriend brings the car home. Update: the light [quoted text clipped - 3 lines] > >Greg hello, I have the same problem with my kia sephia , first the codes where 301-304 and also a code saying that the camshaft positioning sensor high input , do you know what the problem is? I have change coils , wires, spark plugs, gas filter, the camshaft sensor and still the code problem for the camshaft is showing, when applying gas pedal seems like there is not getting enught . any help will be apreiciated!!! thanks! >I am experiencing the identical problem, identical car, Kia Spectra 2001- >Idles Rough, Sputters when applying gas pedal like it's not getting any gas, [quoted text clipped - 8 lines] >> >>Greg
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