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17 Posts
Hey everybody, this is my first post! I've found some useful information on this forum, but nothing that it quite like my situation. I recently picked up a 2009 420 AT power steering to fix and sell for a profit. The guy said he just had the whole motor rebuilt from top to bottom, he has swapped the throttle body from a running fourwheeler, and tried a new PCM but nothing will straighten it up. While I have had it, I have put new good fuel in it, changed the oil and filter, installed an entire new fuel pump, and put an hmf on it it because I bought it with no muffler. I could
Not hear it turn over when I bought it, but I new it was not running correctly. It seems like it it still doing what it was with the previous owner from what he has told me though. It will turn over, but will not start until about half throttle, and when it does start, if the throttle is pushed all the way it runs rough and sounds like it's running about one-quarter to half throttle. I can let off the throttle to about one-quarter throttle and at this point it sounds like it could be idling. And when I let off completely it will cut off. I have tried to look up codes in the service manual but I cannot find one for 4 short blinks which is what is shown. Also, the is a plug that is broken off in the front of the motor on what an OEM parts section called the "main valve body" but I'm not sure what it actually is or does. Any help would be greatly appreciated if anybody has any advice to give. Thanks in advance!
Not hear it turn over when I bought it, but I new it was not running correctly. It seems like it it still doing what it was with the previous owner from what he has told me though. It will turn over, but will not start until about half throttle, and when it does start, if the throttle is pushed all the way it runs rough and sounds like it's running about one-quarter to half throttle. I can let off the throttle to about one-quarter throttle and at this point it sounds like it could be idling. And when I let off completely it will cut off. I have tried to look up codes in the service manual but I cannot find one for 4 short blinks which is what is shown. Also, the is a plug that is broken off in the front of the motor on what an OEM parts section called the "main valve body" but I'm not sure what it actually is or does. Any help would be greatly appreciated if anybody has any advice to give. Thanks in advance!