BatV

rr rrauscher at nni.com
Tue Jul 24 14:02:25 GMT 2001


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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