P0507 Code - Idle Control System RPM Higher Than Expected

[arbies]

@arbies any update?

Unfortunately, no update. The car has been at the dealership (First Texas Honda) since the 13th, and they still weren't sure what was the throwing the codes as of 2 days ago. I'll be sure to post updates here once they (hopefully) figure it out.

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[mbaapk]

Could it be a fuel octane issue - too low or shitty gas?

Id have them drain the tank and refill with 93

 

[02SilverSiHB]

Just had this code pop up today and only mod I've done that might have triggered it is an intake...gruppeM. I've had the intake on for 3 weeks then allll of a sudden I get this lol.

Cleared the code and will do datalogs and see if my tuner can see anything. Love these kind of codes.

Edit:
Last night I got a chance to check over everything. One coupler (factory one) was slight angled wrong. I can't believe that was the cause, but, today...idle is perfect and no CELs. I'll keep an eye on it...but try checking simple stuff like that if you run into the issue again.

 

[arbies]

Could it be a fuel octane issue - too low or shitty gas?

Id have them drain the tank and refill with 93

Just got an update from the dealership, and @mbaapk was right! Turns out there was too much water in the gas. They suspect this was causing the latest codes, especially the cylinder 1 & 4 misfires. They're going to drain and re-fill.

 

[arbies]

Edit:
Last night I got a chance to check over everything. One coupler (factory one) was slight angled wrong. I can't believe that was the cause, but, today...idle is perfect and no CELs. I'll keep an eye on it...but try checking simple stuff like that if you run into the issue again.

Nice. If you get a chance, can you post a picture of that specific coupler?

 

[Mimzie2763]

Just got an update from the dealership, and @mbaapk was right! Turns out there was too much water in the gas. They suspect this was causing the latest codes, especially the cylinder 1 & 4 misfires. They're going to drain and re-fill.

What gas station did you use?

 

[arbies]

What gas station did you use?

I wish I knew. Between all of our family members' cars and different people driving the Type R, it's hard to trace down by looking at past purchases.

 

[mbaapk]

I wish I knew. Between all of our family members' cars and different people driving the Type R, it's hard to trace down by looking at past purchases.

So good to hear it was something simple, what a relief!!!

 

[02SilverSiHB]

Nice. If you get a chance, can you post a picture of that specific coupler?

Here you go. Circled in red. It was backed away slightly and not flush

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