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The most common diesel problems we see are carboned-up EGR valves (cause of hard start when the cut-off valve in front of it sticks) and clogged intake manifolds, usually from cars that are driven stop and go for short trips - a normal expectation for a car to be reliable under all circumstances, to be sure, but diesels JUST DON'T LIKE IT! A bad mass air flow sensor will cause a loss of power. Many people have had their turbo replaced, ($$$) only to find out the MAF sensor was bad. Also, if the car is driven infrequently, at slow speeds, the waste gate linkage seizes up, preventing the turbo from operating properly or at all. These engines do their best when they are given a chance to stretch their legs now and then....take 'er out on the highway. Because of the placement of the injection pump, the alternator is hard to get to, I'll give you that, but the labor to replace the alt belt (which operates P/S as well) seems excessive.Report it
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