One of the daily challenges that all automotive repair shops face are intermittent problems. Noises, poor running, no starts, dying as driving, vibrations that don’t happen all the time are all in this field. In any kind of problem solving in any kind of profession, there are 4 logical steps to problem solving. Experience the problem. Theorize what the problem is. This is the time when past training and experience comes in. We consider all the possibilities that are probable. Diagnose to prove or disprove your theory. This is when test equipment is used. The most important of the steps is you repair or replace the part in question to make sure your theory is correct. The “proof in the pudding”. Is the problem solved or fixed? If the problem is not there all the time, you can lose two to three of these steps. This is where the problem lies. We have had vehicles that will crank over but won ... read more