mass air
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O
truck boggs down when accelerating
hello all, long time lurker first time poster here; 1998 GMC Yukon SLE 4x4; 5.7, 4l60e, 10bolt rear TLDR: truck shows 2 codes p0740; TCC solenoid, and p0452; FTPS low voltage. recently did a mild engine refresh with a few performance parts, and a Blackbear tune, the truck feels really sluggish...- omarrr
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- engine maf mass air poor performance tcc transmission
- Replies: 1
- Forum: Engine Performance + Maintenance
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kennythewelderOfficially Retired, B31-3 (6-G) certified welder.
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