Articles

Showing 57–64 of 65 results

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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Case studies

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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Case studies
Ignition

Toyota MR2 bad injector

A Toyota MR2 is having problems after an engine replacement, fault code P0304 Cylinder #4 misfire detected occurs. The garage swaps several components but does not manage to fix the problem. Measurements with an automotive oscilloscope are required to find out that the fault code is somewhat misleading and the problem is not with cylinder #4

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Case studies
Injection

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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Case studies
Crankshaft

Fiat Stilo ECM defective or timing problem?

A Fiat Stilo would not start properly, only in 50% of the attempts it would run. Several fault codes were read, but none of them seemed related. An automotive oscilloscope was used to measure the vital signals, which showed a serious timing problem. Was it caused by a defective ECM or was there something else wrong?

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Case studies

Engine stall on Voyager

The engine of a Chrysler Voyager would occasionally stall, only once or twice a day, when running idle. After many attempts, the automotive oscilloscope could capture the vital signals when the engine stalled. Analysis of the signals indicated a defective HALL sensor.

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Case studies
Camshaft

Audi A8 will not start

An Audi A8 refuses to start right after it has been driven. Only after letting it cool down, it will start again. The dealer was unable to fix this. After measuring various signals with an automotive oscilloscope, the problem could be traced back to a malfunctioning coolant temperature sensor.

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Case studies

KIA Carnival Anti-lock Brake System Problem

The ABS warning light of a Kia Carnival would always light up when the speed exceeds 130 km per hour. The ABS wheel sensor was replaced twice, without solving the problem. Only by measuring with an automotive oscilloscope it became clear that a mechanical problem was causing the light to go on.

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Case studies
ABS