Power, Air, and Hand Tools and Accessories

Use to test spark plug circuits, electronic fuel injection signals and idle air control circuits. Quickly diagnose \"no start\" and engine misses conditions in the electrical fuel injection and spark plug circuits. Analyze rough running engines. Includes: Cat. No. 23970, In-Line Spark Checker Kit for Recessed plugs (A must for testing newer vehicles with recessed spark plugs plus conventional and coil-on plug ignition systems); 8 Noid Lights (for checking GM PFI, FORD TBI, GEO TBI, BOSCH PFI, GM TBI, GM SCPI, BOSCH 2 and GM Multec 2); and 2 IAC Test Lights (for straight and 90° applications). Supplied with instructions in a durable, plastic molded storage case.