I'm looking for a scanner and not one that will just read codes. In my case there were no codes. What sucks is that Sunday I removed all the COPS to remove any extra dielectric grease that might be causing the problem. Took an hour. For an extra half hour, I could have replaced all the plugs, but they only had 10k miles on them. They usually last 100k.
When I went in, they said it was $50 to $100 to diagnose the problem, but it was applied to the "repair". I need to look at the invoice again, since all that was replaced was a $5 plug. That's $175 of diagnostics and "repair".
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Originally Posted by lm6y
Kinda cheap to find a problem you didn't have the tools to properly diagnose, and fix. With a real scanner, you could have pulled up the misfire data, or counts in real time, and found it immediately. I paid over a grand for my Snap-On scanner, and It's paid me back in spades. You could look at it that way.
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