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Home >> Toyota >> 1994 >> Tercel Sedan 2-Door L4-1456cc 1.5L SOHC (3E) >> Repair and Diagnosis >> Powertrain Management >> Emission Control Systems >> Testing and Inspection >> Component Tests and General Diagnostics >> CO/HC Failure Troubleshooting

CO/HC Failure Troubleshooting





If the CO/HC concentration does not comply with regulations, perform troubleshooting in the following order:

a. Check oxygen sensor operation.

b. See the table below for possible causes, and then inspect and correct the applicable causes if necessary.


Diagnosis Of Abnormal Emission Check Readings:







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