I have only good things to say about this tester. I was working on a complex engine to determine if it had a head gasket or if it was some other problem and after checking the compression, checking for leaks and running the engine with and without the thermostat we were unable to find any step closer. what's going on with the engine. I heard about a similar tester from a mechanic friend of mine. I went to every local auto parts store and the only one that had one was my local NAPA store. The version they sold had only one camera, was slightly more expensive, and was made overseas. This UVIEW 560000 Combustion Leak Tester is 2 chambered (a really needed feature after having used it in a really leaking radiator), comes in a really nice blown plastic foam storage case and is made in Ontario, Canada. I had a question about the test results and called the manufacturer and got a real person who was very knowledgeable and helpful... Your advice was spot on! My only regret is that I didn't buy it sooner! Years later the blue liquid (which I assume is bromothymol blue) is still good and ready for another engine test! (I bought this in January 2012, it is now February 2018). I just checked the advertised price and it hasn't changed at all from the $52 I paid 6 years ago. I hope this helps you with your purchase decision. If you have any questions about my review, please email me. I'll try to answer as soon as possible!
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