Your Marmon 34 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 Marmon 34.
A good ground connection is also extremely important. P3078 Marmon 34 engine problem because the presence of voltage at the panel harness won't make the panel work if there is a bad ground connection. Since the instrument cluster is mounted in a plastic dash, a separate ground wire or ground circuit through the wiring harness is usually needed to complete the power circuit. Refer again to the wiring diagram to find the ground path, and then check it with your ohmmeter. Do not use a self-powered test light because it cannot measure resistance (any resistance will lower circuit voltage).
P3078 Marmon 34 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
The rule of P3078 Marmon 34 code when it comes to emissions-related vehicle repair is that any modification that changes the vehicle from a certified configuration to a non-certified configuration is considered tampering: this applies to both vehicle owners and repair facilities and is, therefore, a Federal offense. Replacing a catalyst with a straight pipe is one traditional example of P3078. Likewise, overriding the OBD P3078 DTC For Marmon 34 system through the use of high-tech defeat devices or non-certified computer chips, for example, would also be considered tampering. The OBD system may, however, be repaired back to its original certified configuration with certified performance chips or appropriate aftermarket parts.