Check the hose clips for tightness and examine the trunking for any cracks or splits and also every the vacuum system, the little bore pipes and fittings for cracks and missing parts. The best artifice to find a leak is to have the engine dealing out and hot and next spray can lighter gas /propane or brake cleaner on each joint in turn. If the engine rev s going on you ve found your leak.
Might in addition to be worth checking the wiring and connector to the airflow meter for any signs of corrosion or damage. you can reach a quick deviation locate if you unplug the meter and rule the engine without it. if the engine condition is the thesame then chances are the meter or the association to it is faulty. Its as well as worth cleaning the MAF sensor wires, as they can get coated with dirt higher than grow old which after that offsets the reading. Use some log on cleaner or brake cleaner to spray can onto the wires to remove the dirt upon no account lie alongside the wires subsequently whatever as they are unquestionably fragile
I don't have any check engine lights unless I unplug the MAF sensor. later than the MAF is plugged in subsequently the car will stall unless I put my foot on the accelerator. There is furthermore an intermittent popping strong coming at idle.