The above workshop manual diagram shows the serpentine belt routing for the 2003 Toyota Camry with the 4-cylinder 2.4 liter engine. Other model years may be similar to the 03 model drawing shown here. When installing a...
The above diagram shows the serpentine belt routing picture for the Chevy Impala LTZ 3.9 engine. You can click the image for a full size view and print it out. Looks like you found a better place to publish and share...
Here is a drive cycle that works well on Toyotas when trying to set the readiness monitors to pass an emissions test. I developed this myself from trial and error.
It is possible to cheat an emissions test to conceal catalytic converter faults. Oxygen sensors behind the converter can be tricked.