Gehl4635sx

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Mickley415

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Joined
Sep 22, 2024
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This weekend I put fuel in machine like every weekend , it was running fine , was letting it warm up , while warming up it started puffing white smoke first then grey really bad and engine starts making a knockin noise , if you leave the idle on low the machine will operate just fine , the second you move it up about half idle it'll start doing it again. I drained all the fuel back out and changed the fuel filter today, I let it warm up for about 30 mins , and moved idle up and still proceeded to do it . Almost sounds like it's not getting enough fuel for higher rpm, is there an issue with an injector pump? Or injector ? Any info would be appreciated .
 
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