Yes, In most cases, Avi -----Original Message----- From: owner-quattro@coimbra.ans.net [mailto:owner-quattro@coimbra.ans.net] On Behalf Of Christopher Ritchie Sent: Sunday, December 27, 1998 5:08 PM To: quattro@coimbra.ans.net Subject: Vacuum Test - 88 5KSQ If the idling engine does not stall or miss when the dipstick or oil filler cap are removed, does this indicate a vacuum leak?