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Hey guys i have an issue on my r34 skyline with the Rb25de engine.

The car has done 94XXX on the clock and its showing the engine light code "21.ignition signal primary".

the weird thing about it its that the car runs absolutley normal and it starts normal, i revved up to 5000+rpm and theres no signs of misfire or anything weird. The only thing i remember is that i was travelling at around 60kmph and i pulled the handbrake when i looked into the dash board the engine light appeared. But i dont think thats the issue.... ive been driving it around and probably travelled 300ks with the engine light on. anyone expereinced this problem here? please i need some help and advice.

Could it be the following:

- Ignition coil and coilpacks are failing? are ignition coil and coilpacks the same thing?

- The crank angle sensor?

- due to a timing belt and waterpump service?

- spark plugs?

any advice and help would be great thanks!!

Edited by Raysan

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