Tool Aid 23970: In-Line Spark Checker 🔌 Kit for Recessed Plug - Efficient Troubleshooting Tool Review

Tried to diagnose why my 1995 Maxima disappeared at idle and jerked under load. I got code P1320 which points to the ignition circuit. I replaced the crankshaft sensors and ignition capacitor, which didn't solve the problem. So I bought this kit to see if it could fix the problem. The instructions were a little flimsy, but here is the order I followed: 1. Disconnect the electrical connector from the coil.2. Unscrew the spool and pull it out of the cylinder.3. Insert the thin end of the orange…

Perfect match for my Mercedes. I had a bad coil that was misfiring according to my diagnostic app called HobDrive. Not knowing how to determine which of the 3 coils was correct, I figured this tool would help me figure it out. When I received it I noticed that it is such a simple but well thought out tool. One thing I found a bit odd was that they shipped it in a box and just put a shipping label on it. At least everything was still there when I got it, so everything is fine. When using this I…

No adapter/fixture could connect the coil I was trying to test (2 fixtures are supplied with the tester). In this case, a 2004 Chevy Silverado 1500, I couldn't push the adapter/coil tester far enough onto the coil itself to get to the metal contact inside. So I actually had to remove the metal contact in the nozzle to connect the coil. The coil worked perfectly. Then I put a spark plug tester on spark plug #1. Connector 1 works fine. By holding the fired end and carefully removing the spark…