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Ursprungligen postat av
hippili
En bil som har gps och färd dator måste ha R stift. Blir inte bra med vanliga stift då det blir sådana störningar
Japp, så är det, läs nedan men en bil som är byggd innan R som många bilar innan GPS och sånt spårande skit så mår gamla motorer mycket bättre med bättre gnista.
NGK strongly recommends using resistor spark plugs in any vehicle that uses on-board computer systems to monitor or control engine performance. This is because resistor spark plugs reduce electromagnetic interference with on-board electronics.
They are also recommended on any vehicle that has other on-board electronic systems such as engine-management computers, two-way radios, GPS systems, depth finders or whenever recommended by the manufacturer.
In fact, using a non-resistor plug in certain applications can actually cause the engine to suffer undesirable side effects such as an erratic idle, high-rpm misfire, engine run-on, power drop off at certain rpm levels and abnormal combustion.