P1864 Audi Q7 DTC Code | EngineDTC.com

Audi Q7 Engine Specifications:

Engine Type :	Single Cylinder Engine
Cylinder Type :	Opposite Piston Engine
Engine Air Intake Process :	Naturally Aspirated

Your Audi Q7 engine control system detects a problem, the computer stores the diagnostic trouble code P1864 in its memory. To figure out what is wrong with your vehicle you must first extract the P1864 DTC For Audi Q7.

A good ground connection is also extremely important. P1864 Audi Q7 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).

P1864 Audi Q7 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
6	Vehicle Speed Output Circuit
4	Cruise Vehicle Speed/Set Speed Difference Too High

If your vehicle failed a P1864 Audi Q7 test and the P1864 Check Engine Light is NOT on, chances are you have a problem with the OBDII system, a burned out MIL lamp, or a faulty catalytic converter. The converter is essentially an afterburner that cleans up the exhaust after it exits the engine. The OBDII system uses P1864 a ownstream oxygen sensor to monitor the efficiency of the converter, and it should detect a drop in converter efficiency if the converter has been contaminated or is failing (ignition misfiring, leaky exhaust valves, and oil burning can all damage the converter). What you want to look P1864 DTC For Audi Q7: Any conditions that might cause ignition misfire, an overly rich or lean fuel condition, or loss of compression.