XJ XJ8 / XJR ( X308 ) 1997 - 2003

Bypass OBD error code possible?

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Old Jan 24, 2022 | 09:12 AM
  #1  
pcolapacker's Avatar
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Default Bypass OBD error code possible?

Every couple days I get P0442 (small EVAP leak) or P0455 (very small EVAP leak). Tried to find including smoke test. Is there a wire to cut or a resitor to add that could stop the CEL from lighting?
 
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Old Jan 24, 2022 | 09:22 AM
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From: Wise County,TX
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I suppose you could keep the tank ABOVE 80% FULL or BELOW 20% to avoid the ECM commanding an EVAP system test?
 
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