code p1810 means something to do with the transmission check your fluid you can call most parts stores and they can tell you also what the code is
Trouble code P1810 means: ATF Pressure Manual Valve Position Switch Malfunction
Trouble code P1441 means: EVAP System Flow During Non-Purge Conditions
With an OBD2 scan tool.
The 1996 General Motors/Chevrolet K1500 4WD PU came equipped in 4 engine codes. The standard equipment 4.3L Vortec (code 'W') has a cooling system capacity of 13.2 quarts.
Trouble code P0410 means:Secondary air injection system malfunction
GA16de
Trouble code P0307 means:Cylinder 7 misfire detected
Crankshaft position sensor circuit malfunction.
Trouble code P0135 means:O2 sensor heater circuit malfunction (bank 1,sensor 1)
Trouble code P0410 means: Secondary AIR System Performance
1994 CHEVROLET C1500 2WD PICKUP 6.5L 8-cyl Engine Code P LD Diesel1994 CHEVROLET C1500 2WD PICKUP 6.5L 8-cyl Engine Code S Turbo DieselEngine, with Wix # 51060 Filter.......7.0 quarts
Trouble code P0400 means:Exhaust gas recirculation flow malfunction