Having problems with your 2000 Pontiac Grand Prix ?

I have an engine code po440. What part of the emissions code is that?

Posted / edited by AnonymousUser on : 14-09-2020

Answers :

P0440 relates to the evaporative emission control system and indicates a malfunction. check for bad connections, check evap pipes and associated components
Repair Help & Product Troubleshooting for 2000 Pontiac Grand Prix

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