smog test fail

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Sep 27, 2018 | 12:47 PM

swtad

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Joined: Sep 2018

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From: banning

smog test fail

1999 xk8 jaguar obd monitors incomlete i have driven it 80 miles at 55 with no success. check engine light is not on. how do we reset the obd monitor.there is nothing mechanically wrong with the car

Sep 27, 2018 | 01:11 PM

NBCat

Joined: Jan 2012

Posts: 6,068

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From: Newport Beach, California

Which of the monitors is incomplete?

Are there any pending DTCs stored in the system? If so, post them here.

Oct 2, 2018 | 12:49 AM

cyber3d

Senior Member

Joined: Jun 2015

Posts: 573

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From: So. Cal.

If it turns out you need to redo your drive cycle, here is a pdf with really good details. It took me 4 nights of drive cycles (letting it cool down between cycles).

Attached Files

Jag Drive Cycle.pdf (67.2 KB, 286 views)

Jun 11, 2021 | 01:30 AM

NYN8IVE

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Joined: Apr 2021

Posts: 33

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From: LAGUNA NIGUEL, CA

Does this have to be in sequence at one time?

Jun 11, 2021 | 02:05 AM

JagV8

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Joined: May 2009

Posts: 27,519

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From: Yorkshire, England

No, but some depend on others so those would need to be.

Probably best to stick to your other equivalent thread https://www.jaguarforums.com/forum/x...97-xk8-247605/