BatV

[Len Sabatine]

    Seems your cranking voltage looks good. How quickly the battery
    recovers to 12.6 V + is important tho.
    Len


>Have a good question: what is the minimum acceptable
>battery voltage during crank? I put a DVM across the
>battery terminals, pulled the fuel pump fuse and cranked
>for ~10 seconds. Battery drops to ~10.7 volts and holds
>during the cranking.
>
>For a charged battery & good starter is this a bit low?
>
>EFI content: The ECM will still fire the injectors and
>the engine starts with this low of a battery voltage.
>The ECM reports the BatV term to be at 9.0 volts during
>crank. Lots of loss with the battery in the trunk!
>
>Thanks,
>
>BobR.
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