P0121? and P0748?
Thats my code...i think it was a tps but im not sure...would it just need replacing?
Plus earlier i was getting a PC solenoid (p0748)...yeah...idk what that was all about. could someone maybe explain this to me please?
'99 5.3L Silverado
Interior: 3 10" Kicker comp CRV 600w (2 mounted in custom black suede covered console), 5" tv mounted in the rear of the console, DVD player in the glove box, Hifonics 1200w mono-block Brutus Amp, Blue under-seat lighting with blue lit dash switch, Paint-matched dash
Exterior: AEM Brute force CAI, custom Flowmaster super 40 cat-back before tire dump, Shorty headers (Wrapped), LS1 Hotcam with a top-end rebuild @130K, Nelson tune, paint-matched SS bumper cover, Billet, paint-matched mirrors, painted stockies
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