Mar 11, 2025 · L5P Loud vibration when towing up hill larry.hayes.75 Oct 15, 2025 Replies 7 Views 242 Oct 17, 2025

Jun 3, 2024 · I have changed the glow plug with a new AC Delco unit, same as OEM. Within a week I get another light for #6 glow plug. Any others have this issue?

Sep 27, 2024 · It was wrecked, it’s possible the doc or dpf or scr are broke and plugging the exhaust. After driving that first few miles it started plugging all flowing holes up. What’s your …

Jul 22, 2025 · The Banks pan holds an additional two quarts of oil. I also like that the oil drains down rather than at an angle when the drain plug is removed. These things are important to …

Mar 19, 2023 · Hey guys, I’m new here and I’m looking for info. I have a 2018 L5P and It has custom tuning and has for the last 2+ years and 25k+ miles, I was driving the other day and it …

Apr 24, 2025 · I have a 2017 L5P, it’s deleted and tuned. Had a head gasket failure. Ran fan coming in my shop started great, sounded great etc. get the cab back on, plug everything up …

Jan 30, 2025 · '17 l5p LTZ okay so at first it was giving me a little starting issues but day or 2 after it just would not start back up.. I cracked a hp line at the rail during prime closed her up and …

Oct 6, 2020 · 4000 Kms and the check engine light comes on. Diagnostic says the #8 injector needs to be replaced and 2 others are questionable. Coincidentally met another guy with the …

Mar 21, 2024 · I've been looking around for awhile and haven't noticed any code readers for this truck yet. My EFI Live V2 just says vehicle undetected when I plug it into my 24 and I sold the …

Oct 28, 2024 · Injection pigtails connectors are a known issue with the L5P. Somewhat similar to the LLY issue. And too much slip in either the TCC or any clutch will cause the ECM to pull …