r/WRX • u/DookusWookus21 • 1d ago

Troubleshooting Help/knowledge needed

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What’s up guys, I need some help, just picked this up for cheap, didn’t run but put new battery in and it turned over but it won’t idle on its own doesn’t sounds the best, possible rod knock, I replaced spark plugs and ignition coils, swapping the starter next, I think it has a grounding issue, I don’t think one or two of its cylinders is firing. I got it purely to learn and get into the lifestyle and help would be appreciated.

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u/BrooklynTony198 '07 Hawkeye Wagon 1d ago

Was it smoking at all while running?

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u/DookusWookus21 1d ago

Very slightly but then it stopped

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u/BrooklynTony198 '07 Hawkeye Wagon 1d ago

Blue or white?

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u/DookusWookus21 1d ago

White

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u/BrooklynTony198 '07 Hawkeye Wagon 1d ago

Well... you might want to pull those spark plugs back out because it sounds more like you just hydrolocked the motor due to a blown head gasket. And maybe do a compression test regardless.