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New check engine codes!!!! I hate you!

After I got my van back and was enjoying it, a check engine light came on.

I brought it back to the shop and they mentioned it is a code p0401, which was Exhaust Gas Recirculation (EGR) system flow is insufficient. They said it is no big deal and not to worry about it. (For some reason I didn't like that).

They said it wasn't anything and honestly, I think this was linked to the plugged EGR port THAT SHOULD HAVE BEEN LOOKED AT AND CLEANED while the motor was apart.

So I honestly lost faith in the shop.I didn't like how they said they are gonna see what parts that are needed and get me prices.  I decided to follow Zenseeker's tutorial and it was true to form. My EGR port was plugged. I cleaned it out and kept the check engine light on as I was going to give the guys my van to check again, but decided not to.

After while, I picked up a scangauge II and hooked it up. I get 3 codes!!!!!

P0401
P0133
P0130

so I looked them up.

What could cause the code P0401

- clogged or restricted EGR passages (This is what I believe it is)
- faulty EGR valve
- EGR valve stuck closed
- problem with the EGR vacuum switching valve (Toyota)
- clogged catalytic converter
- carboned up EGR temperature sensor
- vacuum supply issues at the vacuum-operated EGR valve
- electrical problems with the EGR valve control circuit
- engine computer problems

(thanks to samarins.com)
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What could cause the code P0133

 - Faulty Front Heated Oxygen Sensor Bank 1
- Front Heated Oxygen Sensor Bank 1 harness is open or shorted
- Front Heated Oxygen Sensor Bank 1 circuit poor electrical connection
- Inappropriate fuel pressure
- Faulty fuel injectors
- Intake air leaks may be faulty
- Exhaust gas leaks

Read more: http://engine-codes.com/p0133_toyota.html#ixzz3VFN4weQC

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What could cause the code P0130


- Faulty Front Heated Oxygen Sensor Bank 1
- Front Heated Oxygen Sensor Bank 1 harness is open or shorted
- Front Heated Oxygen Sensor Bank 1 circuit poor electrical connection
- Inappropriate fuel pressure
- Faulty fuel injectors
- Intake air leaks may be faulty
- Exhaust gas leaks

Read more: http://engine-codes.com/p0130_toyota.html#ixzz3VFNN2btX
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Will update in a few because there is a new issue!!!!

 


Comments

  1. UnknownFebruary 6, 2017 at 7:36 AM

    Do you have any updates about your van? With the check engine light, three codes can connect to dozens of problems. Advanced computer diagnostics correctly identify check engine light issues so make sure you are using a trusted resource. Good luck with your auto repairs!

    ReplyDelete

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