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Showing results for tags ' king quad 450'.
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My four wheeler when i first got it seemed like it was very slow when i first got it and it had no throttle response so i replaced the belt and cleaned all of the rollers thinking that would solve the problem from what i read on the forums. well it turned out that it wasnt. so i went to the next thing i took out the injector to check it out and i seen that there was a tiny bit of debree in it so i cleaned it and it seemed to improve a little bit. but still did not solve the problem. i later found out how to find the trouble codes out from the lcd screen using a paper clip on the diagnostic port and it showed the code which stood for no codes C00. i also forgot to mention that the throttle position censor is working perfect. before i started all of this the four wheeler ran just not to its potential. after my friend and i did the trouble code test the bike wouldnt even start anymore and the injector would spray for a few seconds for the start up then it stops and the fuel injection light comes on and blinks. the four wheeler wouldnt start anymore. i took it over to the local shop and they hooked it up to the computer to see if there was any codes and it still showed it was free of codes. they hooked it up to the fuel pressure gauge and we found that it was making 22 pounds and it should be making around 43. i then bought a new fuel pump and put it in. it now starts and runs for a few seconds and then it stalls out and the fuel injection light comes on again. which then leads me to think it is the ecu now but i want to be sure before i invest around $500 more into it. any opinions on whether or not anyone thinks this is the problem or if they have had a similar problem before would be really appreciated. sorry for writing a novel and not spelling very well. also i forgot to put the year in the title it is a 2007
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