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Message: [QUOTE="DIE5EL, post: 765886, member: 1222"] 97 f-350, 308,000 miles, factory transmission, engine has hpx, intake, exhaust, TS 6 w/factory tunes. In the morning going to work I've recently developed a ping sound from I'm assuming an injector. It goes away when I drive for a few mins. I also have a stumble from a dead stop, or when I roll into the throttle. Does not matter what tune it is in. ( ping started faintly before chip). I have a snap on scanner and ran an injector buzz test. All the injectors were loud and the same. It fails with a p1293 code. High side bank 1 open I think it said. Truck runs dang good but slight stumble ( intermittent). I ran a contribution and failed 8 I believe. I put a CPS in it a year ago. I'm monitoring the ICP and IPR. 2500 psi at 34%. Only codes are for EBPV stuff. My question is, is this a typical signs of injector takin a dump? Or IDM? I've looked at the harnesses and drivers bank has a new gasket and injector harnesses on it last year. Nothing looks burnt. I need to ohm it to be sure but wanted to pick your brains untill I get around to it. Thanks Sent from my ifone [/QUOTE]

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