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ECU Tuning Knowledge Base | Honda ECU Guides, Wiring & Troubleshooting
D15/Y8 Mini-Me Swap: Cam & Ignition Timing
If you're running a D15 block with a D16Y8 VTEC head, commonly known as a Mini-Me swap, there are a few important differences that need to be addressed before the engine...
D15/Y8 Mini-Me Swap: Cam & Ignition Timing
If you're running a D15 block with a D16Y8 VTEC head, commonly known as a Mini-Me swap, there are a few important differences that need to be addressed before the engine...
D16Y8 OBD2 to OBD1 Conversion: Ignition Timing
The D16Y8 and older OBD1 D-series engines do not use identical factory ignition timing references. This can create confusion when installing a chipped P28 or another OBD1 ECU.
D16Y8 OBD2 to OBD1 Conversion: Ignition Timing
The D16Y8 and older OBD1 D-series engines do not use identical factory ignition timing references. This can create confusion when installing a chipped P28 or another OBD1 ECU.
Before You Request a Re-Tune: Pre-Tune Checklist
If your Honda or Acura is running rich, idling high, stalling, bogging, or having trouble starting after installing a chip or ECU, check the basics before requesting a tuning adjustment.
Before You Request a Re-Tune: Pre-Tune Checklist
If your Honda or Acura is running rich, idling high, stalling, bogging, or having trouble starting after installing a chip or ECU, check the basics before requesting a tuning adjustment.
F23A 3-Wire to 2-Wire IACV Conversion
If you're running an F23A with an OBD1 ECU, the factory Idle Air Control Valve is one of the main things you need to address during the conversion.
F23A 3-Wire to 2-Wire IACV Conversion
If you're running an F23A with an OBD1 ECU, the factory Idle Air Control Valve is one of the main things you need to address during the conversion.
How to Wire a Wideband to an OBD1 Honda/Acura ECU
If you're using a wideband for datalogging or remote tuning on an OBD1 Honda or Acura, it needs to do more than simply display AFR on the gauge.
How to Wire a Wideband to an OBD1 Honda/Acura ECU
If you're using a wideband for datalogging or remote tuning on an OBD1 Honda or Acura, it needs to do more than simply display AFR on the gauge.
What Is a Wideband O2 Sensor?
A wideband O2 sensor is a sensor used to measure the engine’s actual air/fuel ratio much more accurately than the factory narrowband oxygen sensor.
What Is a Wideband O2 Sensor?
A wideband O2 sensor is a sensor used to measure the engine’s actual air/fuel ratio much more accurately than the factory narrowband oxygen sensor.