Showing 9–16 of 23 results
Troublesome Volvo XC70
A Volvo XC70 had serious engine related drivability problems. The engine lacked power, would hold back and even stall. Error codes indicated problems in two different areas. Replacing components did not improve things. Proper measuring with an automotive diagnostic oscilloscope revealed two independent problems. Fixing these solved all problems.
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Honda Jazz holds back and stalls
A 2006 Honda Jazz with L13A i-DSI engine occasionally holds back and sometimes even stops. No error codes were stored in the car. Several components have been replaced or swapped with an other car. A lot was driven in the car with a scanner hooked up to monitor the "live data" to find an anomaly in sensor or actuator data. Nothing showed up. Only after diagnosing with a good automotive diagnostic oscilloscope, the cause of the problems was revealed.
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VW Golf 4 accelerates with loud explosions
A Golf 4 turbo GTI was having serious problems with accelerating. Accelerating from 0 to 80 km per hour would take approximately 16 seconds, which is far too long for this car. Apart from the lack of power, the engine would hold back every half second and produce a lot of explosions in the exhaust. Based on an assumption, measuring with an automotive oscilloscope was started, but it lead to no solution. When the assumption was ignored and measuring was started at the basics, the cause was found in a different area than initially was thought.
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Opel Agila with electrical problems
An Opel Agila runs bad and generates lots of throttle related error codes. The garage replaces the throttle body, throttle position sensors, the ECM and even a part of the wiring harness, to no avail. When measuring the vital signals with an automotive oscilloscope, the cause of the problems is revealed.
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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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Peugeot 205 holding back
When a Peugeot 205 is performing a strong accelleration, it starts holding back. When it is cruising, nothing is wrong. Several components were replaced, without result. The automotive oscilloscope was used to measure various signals, which led to finding a simple mechanical problem.
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Ford F150 with defective ignition coil
A Ford F150 has an ignition coil for each cylinder and one of them is defective. It is replaced by a new one, but that one breaks down within half an hour. It is replaced again, with the same result. Measuring with an automotive oscilloscope and a current clamp reveal that the ignition control module is defective.
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