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Discussion Starter · #1 ·
I tuned my engine to stage 2 a month or two ago, and since then my engine has been overheating. At first the engine just needed more coolant, but that's not the case anymore. I'm not 100% sure the stage 2 tune is what's causing the problem, but it's my best guess. Anybody else have a similar problem before?
 

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More information is needed.

Car?
Miles?
Modifications?

"Obsidian" makes me think '04/'05 MY, at which case, it can be a whole bunch of things. The extra power may have caused a pre-existing issue to get worse or show itself, but if you are running the proper tune for your modifications, that is not what's causing your car to overheat.
 

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Discussion Starter · #6 ·
Hey guys, thanks for the replies.

The car is an 05 wrx, ~240k miles. Modifications: uppipe, downpipe, catback, short ram intake, stage 2 tune, i have oil pressure, air/fuel, and boost gauges. And the engine was rebuilt before I bought it, maybe 10k miles ago, i forget.

My air/fuel ratio is looking good, so running lean probably isn't a problem.
 
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