on my 2007 310 there is a latching solenoid looks like an old ford starter one you find up on an old ford. I had to replace it locatedin engine compartment between engines on bulkhead in front you should see all the starter cables near it and you hea...
if the iac is bad the engine won't idle its easy to replace two allen bolts and a wiring connector under air filter on the side of trottle body i keep a spare in my boat 2007 310 5.7 with 1200 hours i have changed three since it was new
