Check the hose clips for tightness and inspect the trunking for any cracks or splits and also all the vacuum system, the small bore pipes and fittings for cracks and missing parts. The best habit to locate a leak is to have the engine executive and warm and later vaporizer lighter gas /propane or brake cleaner on the subject of each joint in turn. If the engine rev s happening you ve found your leak.
Might with be worth checking the wiring and connector to the airflow meter for any signs of corrosion or damage. you can accomplish a quick irregularity locate if you unplug the meter and govern the engine without it. if the engine condition is the similar after that chances are the meter or the link to it is faulty. Its afterward worth cleaning the MAF sensor wires, as they can acquire coated taking into consideration dirt higher than times which after that offsets the reading. Use some way in cleaner or brake cleaner to spray can onto the wires to sever the dirt on no account touch the wires later all as they are very fragile
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