Showing 1–7 of 7 results
Crankshaft sensor Hall
With a lab scope a Hall effect crankshaft sensor is measured during cranking of an engine. The signal from the sensor is shown and can be downloaded. To help determining whether a Hall effect crankshaft sensor is functioning correctly, different possible deviations from the example signal are mentioned along with probable causes.
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Crankshaft sensor inductive
With a lab scope an inductive crankshaft sensor is measured during cranking of an engine, as well as during idling. The signal from the sensor is shown and can be downloaded. To help determining whether an inductive crankshaft sensor is functioning correctly, different possible deviations from the example signal are mentioned along with probable causes.
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Citroën Berlingo with headache
After disassembling and reassembling the cylinder head of a 2011 Citroën Berlingo, the engine would not run anymore, producing camshaft related errors. Using an automotive diagnostic oscilloscope, the cause of the problem was found.
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Citroën Xantia refuses to run
A 1999 Citroën Xantia had a new starter motor fitted, after which it would not run anymore. While cranking it would fire briefly and then die. The car’s battery had been disconnected for the starter motor job. A crankshaft sensor code was logged and thus the crankshaft sensor was replaced, regardless of the good signal. Later the ECM was replaced all with no positive results. The question was if the immobilizer could have reset itself by disconnecting the battery. Proper measuring revealed what the real problem was.
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Saab 9-5 with intermittent hiccups
The engine of a 1999 Saab 9-5 intermittently shows a "hiccup" but then continues to run properly. Over time, the problem became worse and and at some point, the car would not start for 20 minutes. The owner consulted a garage that concluded that the special Direct Ignition cassette needed replacement. Unfortunately that did not solve the problem. Time to start measuring properly, using an automotive diagnostic oscilloscope.
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Renault Kangoo bad start
A Renault Kangoo is suffering a bad start: it starts but stalls within 2 seconds. Several garages replace several parts but none can fix the problem. All signals appear OK, but are they? Thorough measuring with an automotive oscilloscope and analyzing the signals reveal the surprising culprit.
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Jeep Cherokee cranking, no start
A Jeep Cherokee refused to start properly, only after long cranking it would eventually start. The dealer concluded that the engine was worn and needed to be replaced. Measuring with an automotive diagnostic oscilloscope and analyzing the signals showed that just a single sensor needed replacing.
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