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04/11/2020 10:08 pm
Topic starter
I was at a mechanic. He changed my fuel pump, fuel filter. Then it was gone for a month. Now same code. I changed gas cap. And the thing pictured. Light is still coming on. What can I try now? I’m confused and autozzone is confused. Thanks for your help!
2 Answers
1
05/11/2020 1:26 am
The most common cause of an emissions system failure is a vacuum leak. The vacuum lines should be inspected periodically to make sure they are attached tightly to their respective hose barb and there is no damage to them from heat/rubbing/road hazards. Check the vacuum lines going to and from the purge valve and report back.
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05/11/2020 1:43 am
Are any other codes showing up as well as this one?
Also worth checking are:
- Short in control circuit wiring
- Short in purge valve wiring
- Faulty vent valve solenoid
- Faulty purge valve solenoid
- Faulty ECM
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