My swap on a 93gmc with a 99 5.3 is nearly done, truck starts and idles fine but won't rev past 1500rpm? Then it starts to surge during idle, any ideas where to start been working on and off of it for months eager to drive it, thanks
My swap on a 93gmc with a 99 5.3 is nearly done, truck starts and idles fine but won't rev past 1500rpm? Then it starts to surge during idle, any ideas where to start been working on and off of it for months eager to drive it, thanks
Was VATS deleted? Almost sounds like it's in a limp mode of some sort...��
I have a guy coming over with hp tuners today, hope its something obvious
Timing was all over the place bad tune we flashed my spare ecm all good nowOriginally Posted by Millertime
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