Anyone Had This Problem With R33 Gtr

[fletch63]

Hi all,

Just a small annoying problem with my baby

When driving I get a total "miss" every once in a while

It's like engine stops for a millisecond and then continues fine

I have tried to find a pattern but there doesn't seem to be any

Can be any speed, any gear, just random

I am thinking maybe fuel pump?

Any ideas

[Ishman]

Hey mate mine does this too, usually when I've backed off the throttle at low revs then as I start to build revs again can get a miss. Only in 3rd or 4th though, and not very often. I thought I read somewhere on here that it was a common thing for RB26s so I wasn't too worried; car runs great otherwise

[gtr jet]

Are either of you running Power FC's?

[djr81]

Hi all,

Just a small annoying problem with my baby

When driving I get a total "miss" every once in a while

It's like engine stops for a millisecond and then continues fine

I have tried to find a pattern but there doesn't seem to be any

Can be any speed, any gear, just random

I am thinking maybe fuel pump?

Any ideas

Are you by any chance running a Power FC?

[Shuyin]

Same problem, it's caused by PFCs, noone knows how to fix it.

[Adz2332]

yep mine does this also... not very often tho.

and yes power fc run

[Owgasm]

Not coilpacks?

[djr81]

Not coilpacks?

No. Inherent issue with the APexi ECU. Mostly becuase it is a very, very old design.

[GTScotT]

This is an age old issue, a search will show heaps of results.

OP can be forgiven though, as its been a LONG time since it was last discussed in detail.

[Piggaz]

Mine did it also with the FC. Threw it in the bin and got a better ECU. Drives ALOT better without the stupid "miss".

[fatz]

yea mine has it as well in the fc

junk

[Owgasm]

Does it happen with the djetro too?

[SiR_RB]

My djetro does it but proberbly only once a month

Where as my old normal power fc was every time I drove the car

[Adz2332]

I only feel it maybe once or twice a week and my GTR is my daily

[fletch63]

Sorry for the late reply

YES I do have a power FC

Never heard of this but I am only a few years old into these great cars

I can live with it!

It's not just a plug connection problem to the PFC?

[Brandon]

No its with the ecu itself I think. Not much you can do about it. Apparently some people doesnt have it but most do, Some tried checking the earth/ground but doesnt really solve it issue.

I have that issue too and its mostly during cruising. I was told by reputable tuners that it is common will not cause any issue.

[fletch63]

No its with the ecu itself I think. Not much you can do about it. Apparently some people doesnt have it but most do, Some tried checking the earth/ground but doesnt really solve it issue.

I have that issue too and its mostly during cruising. I was told by reputable tuners that it is common will not cause any issue.

Thanks Brandon

That puts my mind at ease

Was wondering what would happen if it "missed" at WOT at 8000 revs.

It seems to only happen (or I notice it) at cruising revs

[Don Dada]

Yer....normal for r32/r33 gtr pfc

http://www.skylinesaustralia.com/forums/topic/122076-mysterious-pfc-missfire-in-an-r32-gtr/