NEW MEMBERS Please Spam Your Ten Posts here.

[Mercruiser]

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[Mercruiser]

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[Mercruiser]

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[Mercruiser]

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[Mercruiser]

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[Mercruiser]

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[Mercruiser]

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[Mercruiser]

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[Mercruiser]

Help! Have a 2015 With @ 66000 miles.... just recently started idling rough when I am parked or at a stop light.... like it sputters. Also started when trying to accelerate quickly from slow or stop. Step one was adding Seafoam to my fuel and that didn’t do anything. I’ve seen posts regarding this but as a new member I’m having trouble finding it again. Next step for anyone who has or has had this issue???? Should I do the spark plugs next?

 

[Mercruiser]

Hi

 

[DynomiteDan]

30,000 miles in one year

 

[DynomiteDan]

Had PCV replaced at dealer just before warranty ran out

 

[DynomiteDan]

Getting cylinder 3 misfire

 

[DynomiteDan]

Seems worse on humid days, spark plug in cyl 3 was full of white corrosion

 

[DynomiteDan]

Replaced all plugs. seems to be running better. Haven't had a CEL come on since, but still getting a rough idle and minor hesitation when trying to gently accelerate in 6th gear on the freeway.

 

[DynomiteDan]

BTW this a 2014 Sonic RS 1.4t

 

[DynomiteDan]

I'll be posting in the correct thread, but why not spam it

 

[DynomiteDan]

Looking to get it running 100% and start adding mods. CAI, exhaust, tune (maybe a DV for the woosh).

 

[DynomiteDan]

They all laughed at me when I pulled into the work parking lot in a Sonic. You don't appreciate it until you take it around a corner at a "safe" speed.

 

[DynomiteDan]

Goal is to get near 200hp. This year is intake, exhaust, tune. Next year will be injectors, valve springs, intercooler, turbo. And that's 10