Charles wrote:
> Charles wrote:
>> Solenoids need a surge of current when first turned on to pull it in and
>> then considerably less to remain activated.
>
> I should also mention that if you have the solenoid connectors apart, measure
> the resistance of the solenoids to ground. They're usually less than a few
> dozen ohms. If they show several hundred ohms, they're bad. That increased
> resistance causes them to heat up more quickly. A hot solenoid core saturates
> magnetically and won't release leading to the flaring.
>
alternatively, solenoids that run hot cook their flyback diodes and in
turn fry the ecu. after a while anyway.