1996 TOYOTA AVALON
160,000 MILES
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PCMENTOR29
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Using a ELM scanner(cheap scanner and notebook pc) to connect I notice I have +12% avg on the Bank 2 Long Term. Which means a little lean on bank 2. Possible vac leak. Also the EVAP Monitor never completes. The CEL is off. Should I not worry till the CEL is on or should I try to get the Bank 2 Long Term and EVAP monitor to be right? Thanks, Pete
Nov 1, 2012 at 11:18 AM
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KHLOW2008
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If you can, it is always better to nip any problems in the bud.
Nov 1, 2012 at 11:34 AM
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PCMENTOR29
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Is it possible the two issues are from the same problem? How can it be lean on only one bank? Where do I start to look for vac leak? Do you have a guide for the EVAP system? Where is there a potential leak location on only Bank 2? I thought both banks are connected intakewise. Thanks
Nov 1, 2012 at 12:19 PM
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KHLOW2008
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Some vacuum connections are nearer bank 2 so these could be the cause. There are no guides for EVAP systems available. Mostly these monitors are completed after a certain drive cycles and if any problem persists, or some driving conditions not met, they would not complete.

Nov 1, 2012 at 12:42 PM