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hey guys, i was just driving normaly on the weekend, i shifted into 2nd and was just on light throttle since i was in traffic, and for a split second there was a cut of power, as if the car died for only a millisecond, driving was like rrrrrrrrrrrrrrrrr.rrrrrrrrrrrr, the full stop being the cut point, i cant really explain it any better. it was fine afterwords and didnt do it again since, but im really stressed that something is going to die on me, because its my only car to get to work.

i know its only a very minor thing that happened, but i know its not normal and i want to catch whatever issue has caused it to cut out for a split second before its to late.

things that i think it may be are

fuel pump? it has the original fuel pump and has 150k on the dial

tps sensor?

timing?

an injector is tired? (ive run injector cleaner plenty of times prior to this event)

car is a 1993 r33 gtst, full exhaust, fmic, factory airbox, splitfires, factory bov

cheers for any assistance

he means inside the box where the plug goes.

i had this happen to me on 2 seperate occasions, both a long time ago. one of those times it stalled. both times was at light throttle.

but it's never happened again. i put it down to some crap in the fuel? dirty filter? fuck knows? anyway, i changed the fuel filter and cleaned my afm just in case.

yea the solder parts, ill inspect them tonight and give the afm a clean

i have a new fuel filter so i dont think its that

on a side note, in the mornings when i first start the car, instead of a clean initial rev upto 1500 or whatever it is so it warms up, and normaly comes down to normal idle after a min or so, the initial rpm drops down to 500 or so and sounds like it struggles and nearly stalls, but when i give the throttle a tap it revs right up to 1500-2000 for a couple of seconds then repeats the above normal procedure.

what can cause this? ive cleaned my aac valve quickly (needs to be properly done)

possible missfire ? if it keeps happening I'd check the coilpacks and ignitor module (if it's an S1) and also the spark plugs. Just tape up the coil packs or start the car (cold) in a dark garage with the coilpack cover off - if there are any visible sparks, it's the coilpacks.

should be good if they're only 20k old .. they will outlast the car easily. Um not sure how to check if the ignitor module is playing up, but I'm sure I've read it here somewhere before so just do a search (keep in mind only S1 R33s have it .. S2 is built into the coilpacks). Also check the AFM solders.

If you've just quickly cleaned the AAC valve did you check and make sure the old paper gasket didn't get damaged in the process ? Or maybe you moved the idle screw by accident ?

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