P0421/p0431/p1751/p1788/p3231 - Club4G Forum : Mitsubishi Eclipse 4G Forums - 2006-2012 Eclipse Authority
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Problem Reports If you have a problem with your Eclipse you need assistance with, this is the forum to post your question and get answers.


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Old July 5th, 2018, 12:01 AM   #1 (permalink)
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Name: Gregory Leon
Join Date: Dec 2017
Location: waaaat
Vehicle: 2006/Eclipse
Posts: 69
Rep Power: 3
Neoclod is on a distinguished road
P0421/p0431/p1751/p1788/p3231

These are codes that my car has or is showing at one point or another. So I'm just trying to get everything straight so I can fix the current issues to remove my CEL from being on.


P0421 - https://www.club4g.org/board/problem...116-p0421.html
https://www.obd-codes.com/p0421
P0421 Fix - HOW TO: Fix SES Error Code P0421 for about $5 bucks - Club3G Forum : Mitsubishi Eclipse 3G Forums

I'm personally not going to install a 5 dollar aluminum item, so I'm going to opt for something like this: https://www.amazon.com/gp/product/B00AQ7972O/

And hope this will fix this CEL.

-=-=-=-=-=-=-=-=-=-=-


P0431 - I am assuming it's the same problem as p0421?? Might be wrong.
https://www.obd-codes.com/p0431

-=-=-=-=-=-=-=-=-=-=-


P1788 - I believe P1788 and P1751 are linked together,
(A/T Control Relay) I've already switched it out with one that I purchased from the dealership.
I have an 2006 Eclipse 2.4l.
When accelerating past like 30 mph the power boggles for a bit then goes back up and everything is good.
Switching between the gears is alright, Reverse/Drive.
What other problem can it be? Shift solenoid???

-=-=-=-=-=-=-=-=-=-=-

P3231 -What in the world is this? I got this code one time after I stopped my car and checked under the hood because it was smelling like coolant, I haven't gotten it since. I can't find any information on this one, not even on OBD-codes.


If I don't know what P3231 code is, am I able to call the dealership and ask them what it is or will they hold that info to themselves and ask me to come in for diagnostic check up?

Last edited by Neoclod; July 5th, 2018 at 12:25 AM. Reason: forgot to explain why I am posting this.
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Old July 5th, 2018, 07:17 PM   #2 (permalink)
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Join Date: Sep 2009
Vehicle: 07/ eclipse/ gray
Posts: 167
Rep Power: 11
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P
OBD-II Diagnostic Powertrain (P) Trouble Code For Engine

3
Ignition System Or Misfire

2
Engine Oil Temperature Sensor Malfunction


3
Cylinder 10 Contribution/balance Fault

1
Exhaust Gas Recirculation Sensor B Circuit High

Those are reported on my generic code stats list. Says something about exhaust gas recirculation sensor b circuit high and recommends there is a engine oil temperature sensor malfunction. Not sure if that helps.
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Old July 6th, 2018, 02:26 PM   #3 (permalink)
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Name: Gregory Leon
Join Date: Dec 2017
Location: waaaat
Vehicle: 2006/Eclipse
Posts: 69
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I have a mitsubishi eclipse gs 2006 2.4l.

I don't think I have 10 cylinders?? :O right? I'm confused.
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Old July 6th, 2018, 06:56 PM   #4 (permalink)
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Name: TJ
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Location: NW Ohio
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Yeah i litterly had P0421 pop up driving home from picking my daughter up. Looked down and had a notification for this post it was like within a 5 min span. It was wierd.

Anyways i cleared it when it when i got to a rest area using my bluetooth adaptor and Torque.

It popped on durring a long drive and right after a hard acceleration from 60mph to 100mph.

After clearing it it hasn't been back on.

If it pops back on ill dig into it.

Sent from my VS995 using Tapatalk
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06 eclipse, 2.4l, 2006, 2006 eclipse, back, board, car, cel, club, codes, coolant, drive, eclipse, fix, good, hood, how to, install, mitsubishi, mitsubishi eclipse, performance, power, problem, relay, world

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