How long does it take for secondary air to drop?
How long does it take for secondary air to drop? Now in 48-72 hours parked the Primary air will drop from 125 down to 110 - I think that is ok. Use to drop down to 0-25 before repaired leaks. Secondary air when parked will drop from 120 (that's all the higher it will build up based on gauge) down to 50. Use to drop to 0 prior to repairs. When does the secondary air injection system overheat? It is important to note that the secondary air injection pump runs any time the engine is running. This means that if...