Three problems related to emission control have been reported for the 1996 Toyota Camry. The most recently reported issues are listed below.
Air fuel sensor failed. As a result the warning light came on. Part is not able to be maintained by anyone including a mechanic, and there was no way of checking unless the part failed.
Failure to pass smog test. My 1996 Camry has been serviced regularly, mostly by dealer. Had its 60,000 mile service in August last year by Toyota (and 45,000 service in 02). Failed the smog test at 70,271 miles. Toyota dealer then did investigation (said failing hc reading slightly over limit). Check 02-ss signal on both sensor and pcv valve. They also said they "removed and clean mass air flow and pcv system". Just doesn't seem right that the car didn't pass the smog check, when Toyota has been maintaining car, and when the car really isn't that old (with no modifications).
Vehicles oxygen sensor failure caused the engine to surge and die unless the engine is completely warm.