ENGINE VACUUM LEAK

Hello, I Cannot Find A Vacuum Leak In My Ford Explorer. It Sounds Like It Is Coming From The Back Of The Engine. Could It Be A Vacuum Leak...

The Ford Came With A 352 Engine But Blew It Up So We Put A 390 In It And It Blew It Up Too, We Thought It Might Have A Vacuum Leak But...

Code 1538 Came Up. Told Either Vacuum Leak, Imrc Solenoid, Or Imrc Motor(s). Cant Find Vacuum Leak. Dont Want To Tear The Plenum...

My Truck Makes A Strange Hissing Noise When You First Step On The Gas. As It Comes Back To Idle About 1000 -rpm It Stops Like An Air Leak...

I Have A 98 4runner 6cyl. About 2 Weeks Ago I Noticed It Making A Noise, It Was Not Loud And It Sounded Kinda Like A Knock Or A Vacum Leak...

A Tune Up Was Done To My Vehicle And When The Car Was Reassembled It Now Makes A Sucking Sound When The Accelerator Is Pressed. There Is...

Very Rough Idle After Choke Is Kicked Off. Replaced Fuel Filter, Plugs, All Old Ones Were Carbon Fouled. Engine Runs At High Idle, Too...

1997 4.0 Ext Awd Ac Issue When Accelerating The Vent Door Seems To Close And Redirect Air To Defrost And Heat. Hot Air Comes Out The Floor...

At Startup Idle Is Smooth And Accelerating Is Good. After Warm Up Idle Is Very Rough And Accelerating Is Very Bad With Some Backfiring. No...

Engine Performance Problem 2002 Ford Escape 6 Cyl All Wheel Drive Automatic I Have Problem Like Vacuum Leaking, Because When I Start...