Checklist – The basics

When facing a diagnostic challenge, and in the rush to get the job done, it is easy to miss some of the basic tests that should be done before sending in a TaTassist request.

Just click on the checklist you need from the list below:


Diagnostic flow charts

Advanced Diagnostic Flow Chart


Diagnostic checklists

Diagnostic checklist - Discovery phase

Diagnostic checklist - Phase two


Rough or poor running checklists

Rough running or missing 

Intermittent stalling or poor idle control


Hard starting or no start checklists

No start at all and not firing up 

No start or hard to start


Additional checklists

Catalyst efficiency checklist

Warning light on the dash