Makes weird sound?

1990 GEO STORM
130,000 MILES • 1.6L • MANUAL
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DOMJNID 100123
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Need help figuring this out ASAP
Aug 10, 2026 at 3:13 PM
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STRAILER
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No problem, can you upload a short video?
Aug 10, 2026 at 6:22 PM
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DOMJNID 100123
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Here it is
Video (Click to enlarge)
Attached Media
Aug 10, 2026 at 6:36 PM
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STRAILER
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Yep, it sounds like a head gasket is blown between two cylinders or the connecting rod is broken on one cylinder I would do a compression test to see what is going on. Here is a video to help.

https://www.youtube.com/watch?v=KOxIm1F8AW0

Let me know what happens.



Aug 11, 2026 at 7:15 AM
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DOMJNID 100123
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I did a compression test all were holding around 160
Aug 11, 2026 at 9:50 AM
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DOMJNID 100123
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I do think I found a bad injector though 3 were around 165 ohms and there was one that was 085
Aug 11, 2026 at 9:53 AM
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STRAILER
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Yep, that might cause a noise if it was stuck on full open.
Aug 12, 2026 at 7:24 AM
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DOMJNID 100123
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Yeah I’ll replace it in 2 days then I’ll get back to you on how it went
Aug 12, 2026 at 8:48 AM
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STRAILER
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Sounds good
Aug 13, 2026 at 7:16 AM
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