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Anyone know my an Rb25 would be putting out on idle?



My money is on one of these :- coils, plugs or leads. Try taking each of the plugs out and inspect them they should all look same on ends. If u want take a pic of each 1 and send to me if your unsure what your looking at.


My money is on one of these :- coils, plugs or leads. Try taking each of the plugs out and inspect them they should all look same on ends. If u want take a pic of each 1 and send to me if your unsure what your looking at.


Your engine has leads?


My money is on one of these :- coils, plugs or leads. Try taking each of the plugs out and inspect them they should all look same on ends. If u want take a pic of each 1 and send to me if your unsure what your looking at.


Also plugs only show last condition before removal.

Ie- if the engine was belted then shutoff at full noise for inspection, vs belted then cruised to a convenient place for inspection will look very different. Most ppl look at them after the car idled for a period of time therefore true readings get masked


So... What's the question?


His car has a very rough idle atm, at 1st I thought it was his cold start but only has a standard ecu, so then was thinking vac leak? He sent me a video of how it sounds and its really rough so my thoughts were what I mentiond above and yeah did mean coil packs.



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