P1878 DTC For Audi S4
Audi S4 Engine Specifications:
| Engine Type : | Single Cylinder Engine |
| Cylinder Type : | Opposed Cylinder Engine |
| Engine Air Intake Process : | Turbocharged Engine |
Your Audi S4 engine control system detects a problem, the computer stores the diagnostic trouble
code P1878 in its memory.
To figure out what is wrong with your vehicle you must first extract the P1878 DTC For Audi S4.
A good ground connection is also extremely important. P1878 Audi S4 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).
P1878 Audi S4 DTC Meaning
| P |
Powertrain Code - Problem is related engine, transmission and emissions systems. |
| 1 |
MFG - Manufacturer Specific |
| 8 |
Accelerator Pedal Position (APP) Sensor 1 Performance |
| 7 |
Exhaust Gas Recirculation System Valve 1 |
| 8 |
Park/Neutral Postion (PNP) Switch Circuit Engine Torque Signal Circuit |
While fuel economy was increased, acceleration was seriously compromised, and the loss of engine vacuum led to a dangerous loss of braking assist when the P1878 Audi S4 code system was in four-cylinder mode. In addition to these issues, while the company proposed a hydraulically controlled system that could be switched from within the car, the version they implemented had to be manually changed in the engine compartment using hand tools.
You can also check other Audi car models :
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The listed Audi models will give information about P1878 DTC.
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