Solara Coupe L4-2.4L (2AZ-FE) (2007)
Air/Fuel Mixture: Testing and Inspection
INSPECT CO/HC
(a)
Start the engine.
(b) Rev the engine at 2,500 rpm for approximately 180 seconds.
(c)
Insert CO/HC meter testing probe at least 40 cm (1.3 ft.) into the tailpipe during idling.
(d) Immediately check CO/HC concentration at idle and/or 2,500 rpm.
HINT:
^ Complete the measuring within 3 minutes.
^ Check regulations and restrictions in your area when performing 2 mode CO/HC concentration testing (engine check at both idle speed and
at 2,500 rpm).
(e)
If the CO/HC concentration does not comply with regulations, troubleshoot in the order given below.
(1) Check A/F sensor and heated oxygen sensor operation.
(2) See the table for possible causes, and then inspect and repair.