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1983 Toyota air injection system question

DMo

New Member
The smog pump on my truck burned out and the seals on the pump broke into small pieces of rubber. Those pieces apparently were pumped into the EACV and now the engine runs really rich until it reaches normal operating temps at which time it runs great. Anyone familiar with this problem?
 

tbplus10

Moderator
Staff member
1000 Posts
Community Leader
It's possible to rebuild the carb and adjust it to run somewhat correct without the smog pump. But removing the smog pump is a federal offence, and depending on the state you live in it could get noticed quickly. (if you have pollution inspections).
Many of the aftermarket carbs that those year engines arent even set up to use the smog pump.
You could also rig the choke with a reostat control so it wouldnt run as rich during cold running.
 

toyotasrule

Active Member
100 Posts
The smog pump on my truck burned out and the seals on the pump broke into small pieces of rubber. Those pieces apparently were pumped into the EACV and now the engine runs really rich until it reaches normal operating temps at which time it runs great. Anyone familiar with this problem?
Status check. Did you get anywhere with getting this cleaned up?
 

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