Your Oldsmobile Cutlass engine control system detects a problem, the computer stores the diagnostic trouble
code P3078 in its memory.
To figure out what is wrong with your vehicle you must first extract the P3078 DTC For Oldsmobile Cutlass.
To solve P3078 Oldsmobile Cutlass problem, you'll have to remove the muffler, crankcase and other components blocking the valve chamber. Then, remove the cylinder head bolts (label for easy re-installation) Adjust the jaws of the valve spring compressor until they touch the top and bottom of the valve chamber Push the tool in to compress the spring and tighten the jaws Remove the retainers and lift out the valves , compressors and springs
P3078 Oldsmobile Cutlass DTC Meaning
Powertrain Code - Problem is related engine, transmission and emissions systems.
SAE - Generic
Exhaust Gas Recirculation System Valve 1
Park/Neutral Postion (PNP) Switch Circuit Engine Torque Signal Circuit
If your P3078 Oldsmobile Cutlass check engine light is illuminated, it's best to take it in for diagnostic testing, which can feel like a hassle. Because while the lights vary in appearance from vehicle to vehicle, all have the same basic meaning: There's a problem with the car's emissions system. The on-board diagnostics system P3078 and engine control unit are in charge of monitoring a bunch of different P3078 DTC For Oldsmobile Cutlass, and if they get a reading that's a little out of whack, up pops the check engine light.