88 Celica st fails emissions test

My 88 Celica st failed the emissions test today at 15 mph test.It passed at 25 mph. What could be the possible reasons it did not pass. The car has 182k miles . Any advice on what can cause it not to pass?

Reply to
Tony
Loading thread data ...

My 88 Celica st failed the emissions test today at 15 mph test.It passed at 25 mph. What could be the possible reasons it did not pass. The car has 182k miles . Any advice on what can cause it not to pass?

Reply to
Tony

MotorsForum website is not affiliated with any of the manufacturers or service providers discussed here. All logos and trade names are the property of their respective owners.