Using a Vacuum Gauge to Diagnose Engine Problems!
Every engine is different with vacuum sources, but I hope this video sheds some light on how to diagnose an issue you may be having! My problem is likely fuel injection related and I suspect the O-rings on multiple injectors, but this simple test is very helpful and can save you a LOT of $$ with easy diagnosis and self-repair! Any vacuum port AFTER the throttle body will give you a good reading with many fittings available. Vacuum Gauge: $15 not $30 https://www.amazon.com/8milelake-Vacu...

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