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54 Posts
2019 Laramie CCSB - 60k miles - all stock
I believe I may have gotten some bad fuel the other day from a station that I buy fuel from all the time. No CEL and no codes stored on the background after hooking it up to my scanner. Had a strange idle, a touch lower power than normal and slight bucking/stumbling in any gear and at any speed.
Either way, I replaced both filters even though they only had 9-10k miles on them. The front looked fairly normal and clean, with a few flakes sitting on top of the filter... Rear was very dirty but no big chunks or flakes. The idle seems much improved after the filter change but I am still experiencing a stumble at lower RPM's while under load (just a tiny bit, barely enough to notice).
The truck has had the P78 CP4 recall done (about 10k miles ago) and was flashed to current software at that time.
Anyone have a similar issue? It's scheduled to go to the dealer first thing Monday morning but I'm not confident in them doing anything since there are no codes for them to go off.
I believe I may have gotten some bad fuel the other day from a station that I buy fuel from all the time. No CEL and no codes stored on the background after hooking it up to my scanner. Had a strange idle, a touch lower power than normal and slight bucking/stumbling in any gear and at any speed.
Either way, I replaced both filters even though they only had 9-10k miles on them. The front looked fairly normal and clean, with a few flakes sitting on top of the filter... Rear was very dirty but no big chunks or flakes. The idle seems much improved after the filter change but I am still experiencing a stumble at lower RPM's while under load (just a tiny bit, barely enough to notice).
The truck has had the P78 CP4 recall done (about 10k miles ago) and was flashed to current software at that time.
Anyone have a similar issue? It's scheduled to go to the dealer first thing Monday morning but I'm not confident in them doing anything since there are no codes for them to go off.
