Comment Re:You almost had me believing you knew stuff.... (Score 1) 403
I wasn't talking about all emissions control gear, just the secondary air injection.
The system helps warm up the catalytic converter to operating temperature.
After that, what does it do?
Mine never runs after the first minute. I've noticed no difference in power or fuel consumption
$50 solenoid plus $300 pump plus $100 valve and some hose = not worth it.