P01D2Cylinder 4 Injection Timing Performance - Over Advanced
Generic (OBD-II) interpretation in the TuningBot DTC database.
P · PowertrainFuelOBD2
What P01D2 means
P01D2
Cylinder 4 Injection Timing Performance - Over Advanced
Generic · fuel
Data confidence65%
The control module detected a fault associated with the Cylinder 4 Injection Timing Performance - Over Advanced circuit or function; the stored code identifies the affected component rather than a single failure mode.
Symptoms
MIL illuminated
Possible rough running or misfire
Possible increased fuel consumption
Possible causes
Injector electrical or mechanical fault
Wiring or connector fault
Fuel supply fault
Air leak causing mixture deviation
Recommended checks
Read fuel trim / mixture adaptation values
Check injector circuits and compare cylinder balance
Powertrain: engine, transmission and driveline systems.
0
Generic SAE-standard code: same meaning on every make.
1D2
Specific fault index within the subsystem.
Frequently asked questions about P01D2
What does P01D2 mean?
Cylinder 4 Injection Timing Performance - Over Advanced. The control module detected a fault associated with the Cylinder 4 Injection Timing Performance - Over Advanced circuit or function; the stored code identifies the affected component rather than a single failure mode.
Is P01D2 generic or manufacturer-specific?
P01D2 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P01D2 at file level?
If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry. Checksum correction is not included: it is a separate, optional service. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.
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