Assuming there are no exhaust leaks, look for an injector leaking down and filling a cylinder and the remote possibility of a valve lot sealing to allow ignition to get into the exhaust or intake. Yes backfires can occur in the intake track. That can also occur if there is a problem with the distributor cap or wires where spark cross fires to more than one plug. A carbon track-track in the cap is good for this one. Dennis
-----Original Message----- From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of Dennis Jowell Sent: Saturday, May 16, 2015 6:19 AM To: vanagon@GERRY.VANAGON.COM Subject: Start up,back fire? Question on why do I sometimes get a backfire from my 2.2 GOWESTY WBX. yesterday I drove the 88 gl Westy an 1.5 hr pulled over to check my GPS, shut the engine off. Then 2 minutes later started it and "bang" it backfired, it did start. Shut it down and tried again same thing. Drove home it didn't occur again. Any thoughts of what is going on? The new Engine has about 5000 miles on it. Maybe to many mice running around in there. Dennis Jowell Scotch Hollow Farm Newbury, Vermont |
Please note - During the past 17 years of operation, several gigabytes of
Vanagon mail messages have been archived. Searching the entire collection
will take up to five minutes to complete. Please be patient!
Return to the archives @ gerry.vanagon.com
The vanagon mailing list archives are copyright (c) 1994-2011, and may not be reproduced without the express written permission of the list administrators. Posting messages to this mailing list grants a license to the mailing list administrators to reproduce the message in a compilation, either printed or electronic. All compilations will be not-for-profit, with any excess proceeds going to the Vanagon mailing list.
Any profits from list compilations go exclusively towards the management and operation of the Vanagon mailing list and vanagon mailing list web site.