Auto diagnostics for example

The best way to Troubleshoot a Ford EEC-IV Fords Using a Check Engine Light1Put your essential in to the ignition and start off the vehicle. Let the vehicle idle until the engine is fully warmed. Wait five to ten minutes, or rev the engine at 2000 rpm for two minutes automotive diagnostic tools.2Turn the engine off and engage the parking brake. Ensure the air conditioning is switched off absolutely.3Open the hood from the vehicle and locate the Self Test Outlet. The place will differ by model of Ford. The STO is trapezoidal in shape and options six ports. Nearby will probably be the Self Test Input. It's going to feature only a single port.4Place a jumper wire in to the self test outlet's grounding port. This can either be the proper slot on the major row Auto diagnostics, or the left-most slot on the bottom row. Consult the owner's manual to be particular you happen to be applying the proper slot.5Turn the ignition crucial to "On." The codes will probably be relayed by the examine engine light flashing. Count these flashes. The difficulty codes themselves are either two or three digit numbers. There is going to be a brief pause among numbers. For instance, code 14 will have the verify engine light flash as soon as; then there might be a small pause, and subsequent the light will flash four a lot more occasions. Longer pauses among lights indicate the end of a single trouble code, as well as the beginning of yet another. Write down all the codes.6Turn the Ford off. For EEC code definitions, consult one on the several OBD-I sites offered.Fords Without a Examine Engine Light7Start the automobile and let the engine warm. Then, turn the engine off.8Set the volt meter to study between 0 and 15 DC volts. Connect your volt meter's good result in the postive terminal on the Ford's battery. Then, connect unfavorable result in the self test outlet's grounding slot.9Connect the self test outlet's signal return slot for the self test input with a jumper wire.10Turn the Ford "On," but do not start the engine. Count the times the needle sweeps. There will likely be a modest pause amongst numbers within the code. Code 14, for example, will have a single needle sweep, followed by a pause and after that four much more needle sweeps. Lengthy pauses indicate the beginning and end of a new difficulty code.