Compression Ignition Addict
Join Date: Dec 2012
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Slight shudder turns into bad when towing heavy??
Ok here's the quick and dirty. I've started noticing horrible fuel mileage this winter and now a shudder right at initial acceleration. It was very slight at first and seemed to happen more when turning so I thought my junk LS was just slipping clutches. Then I started noticing on deceleration I felt it, slight at first, now from 35mph on down to a stop it shudders like I have Swamper Boggers on! Well the shop found some loose bolts on the front part of my two piece drive shaft so they tightened those up but it's still shuddering. That was yesterday. Well today I had to pull a 12k grain vac about 90 miles. From a stop under accelleartion it shuddered like crazy. It was wet and nasty pavement so I thought maybe LS rear end, but then again something just isn't adding up. Oil was just changed and there didn't seem to be any fuel in oil. Once you get going the shuddering goes away. It SEEMS driveline related BUT I'm also concerned about a broke piston perhaps?
I've also had an EBP code a couple times and this morning there was a contribution code on #3 and a turbo boost code. But I cleared the codes and they have not returned. I'm at a loss here. thoughts?
2008 CCSB, King Ranch, Spartan Tuned, RCD EGR Delete, RCD Cold Air Intake, AFE CAI, AFE 4in DP, AFE 5in DP back, FASS 95gph, 275/65r20 Nitto Terra Grapplers, PMF Stage 2 trac bars, Elite Up-pipes, 6.0 manifolds, ARP studs, RCD Valve Springs, Chrome-Moly Pushrods, Detroit Locker.