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Iowa | If the middle o-ring on an injector got nicked when installing you may also see that symptom. The middle o-ring separates the fuel supply and return to the injectors. You may be already familiar with this but, STP is a good lubricant for the injector o-rings to prevent nicks and cuts. I wouldn't tear it apart until you did the simple stuff(throtle linkage, fuel filters, etc.) but a set of o-rings is cheaper than another pump. Good luck and I hope it's something simple. | |
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855 Cummins ?
