P1871 DTC For Audi A4
Audi A4 Engine Specifications:
| Engine Type : | Multi-Cylinder Engine |
| Cylinder Type : | W-Type Engine |
| Engine Air Intake Process : | Supercharged Engine |
Your Audi A4 engine control system detects a problem, the computer stores the diagnostic trouble
code P1871 in its memory.
To figure out what is wrong with your vehicle you must first extract the P1871 DTC For Audi A4.
A good ground connection is also extremely important. P1871 Audi A4 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).
P1871 Audi A4 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 |
| 1 |
PCM Stack Overrun |
There are currently two main types of cylinder deactivation used today, depending on the type of engine. P1871 Audi A4 code for the pushrod design which uses solenoids to alter the oil pressure delivered to the lifters. In their collapsed state, the lifters are unable to elevate their companion pushrods under the valve rocker arms, resulting in valves that cannot be actuated and remain closed.
You can also check other Audi car models :
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The listed Audi models will give information about P1871 DTC.
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