Fuel Injector

1982 Chevrolet Camaro V8-305 5.0L VIN H 4-bblSECTION Fuel Injector
Kent-Moore Fuel Injector Tester, tool J-39021, has the capability of performing injector balance and coil tests on all GM and many non-GM fuel injection systems. In addition to the familiar fuel pressure drop test, the injector coil test is a new test whereby the injector's resistance is measured during normal operation by feeding a fixed current through the injector and measuring the voltage drop across the injector. Injector coil failures are more accurately detected using this method than by simply measuring the injector's resistance with an ohmmeter. Refer to the instructions included with the tool.

For further information, refer to TSB 93-6E-14, dated June 1993. (Corp. Ref. No.: 316501R)

NOTE: Measuring injector resistance is not a fool-proof method of determining the condition of the injectors. A Fuel Injector Balance Test will more accurately determine the mechanical condition of the injector, while the injector resistance will determine the electrical condition of the injector. If available, use applicable C-Charts at Computers and Control Systems, Testing and Inspection. You should also start at Diagnostic System Check if you have not already done so.
Testing and Inspection

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.