Test Number 6)
Remaining tests check ability of EGR valve to interact with exhaust system. This system uses a positive backpressure EGR valve which will not hold vacuum until sufficient exhaust backpressure is at base of EGR valve.
Remaining tests check ability of EGR valve to interact with exhaust system. This system uses a positive backpressure EGR valve which will not hold vacuum until sufficient exhaust backpressure is at base of EGR valve.