Battery Voltage Correction

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The applied voltage to the fuel injector will affect when the injector opens and the rate of opening. The ECM monitors vehicle system voltage and will change the injection on time signal to compensate. If system voltage is low, the injection on time signal will be longer, but the actual time the injector is open will remain the same (if system voltage were higher).

EVAP Purge Compensation

When the evaporative purge valve is on, fumes from the charcoal canister are drawn into the intake manifold. The ECM will compensate based on the oxygen sensor output and shorten the injector pulse width.

EVAP Purge Compensation

When the evaporative purge valve is on, fumes from the charcoal canister are drawn into the intake manifold. The ECM will compensate based on the oxygen sensor output and shorten the injector pulse width.

1. Explain in detail both Grouped Injection and Sequential Injection?

2. What inputs are use for Injection Duration control during "After start"?

3. Explain detail "Afterstart Enrichment Correction"

4. Explain in detail "Warm-Up Enrichment Correction"

5. Explain explain the "Fuel Correction" based on Intake Air Temperature (MAP sensor equipped engines:

6. Explain in detail "Power Enrichment Correction"

7. Explain in detail "Acceleration Enrichment Correction"

8. Explain in detail "Deceleration Fuel Cut"

9. Explain in detail the "Engine Over-Rev Fuel Cutoff"

10. Explain in detail "Vehicle Over-Speed Fuel Cutoff"

11. Explain in detail "Battery Voltage Correction"

12. Explain in detail "EVAP Canister Purge Compensation"

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DIY Battery Repair

DIY Battery Repair

You can now recondition your old batteries at home and bring them back to 100 percent of their working condition. This guide will enable you to revive All NiCd batteries regardless of brand and battery volt. It will give you the required information on how to re-energize and revive your NiCd batteries through the RVD process, charging method and charging guidelines.

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