[Diy_efi] Spark

Ashley Evans hoshy
Wed Oct 5 18:26:36 UTC 2005



John Gross wrote:
> It's very true that spark in free air means nothing in an engine that's
> trying to run, and that's due to the extra energy required to ionize the
> heterogeneous, pressurized gaseous mixture inside the cylinder.  What I
> would typically do to check for spark is to have all of the plugs and wires
> installed, and use a GOOD inductive light and look for consistency on each
> cylinder.  If the engine runs, but has a miss, you can usually find a
> cylinder-specific spark problem by holding the engine in the rpm range with
> the miss and test this way.

<snip>

Inductive light?




More information about the Diy_efi mailing list