TomsR33gtst Posted March 20, 2014 Share Posted March 20, 2014 Hey Guys I have a R33 GTS25T series 1 Auto when I turn it on it is idling like it is running on 5 cylinders, there is a strong smell of fuel on 2 occasions it has stalled, i took the car for a run thinking it was a injector but the car was very unresponsive, at first the car wouldn't get over 40KMPH and i had my foot nearly flat, i took it out of drive and into 1st and floored it i pushed it into second and didn't go into second until I got over 6000RPM then it jumped into second. once I got the car to around 80 it was going fine. then I slowed down to take a corner and it started running sluggish and strong smell of fuel again. until I got over 40 please people I need help Link to comment https://www.sau.com.au/forums/topic/440783-r33-gtst-series-1-idlerunning-rough/ Share on other sites More sharing options...
89CAL Posted March 20, 2014 Share Posted March 20, 2014 Have you tried anything? Checked the plus arent fouled? Check you are running on all cylinders? Check all injectors are firing? Whats the condition of the fuel (old/poor quality)? Link to comment https://www.sau.com.au/forums/topic/440783-r33-gtst-series-1-idlerunning-rough/#findComment-7233997 Share on other sites More sharing options...
TomsR33gtst Posted March 20, 2014 Author Share Posted March 20, 2014 Yeah mate plugs are fine. i am running on all 6 just sounds like its not. injectors I'm not 100% sure about fuel is BP 98 the usual I run it on I'm wondering if it could be the Air flow meter does that sound like something the AFM would do? Link to comment https://www.sau.com.au/forums/topic/440783-r33-gtst-series-1-idlerunning-rough/#findComment-7234072 Share on other sites More sharing options...
89CAL Posted March 21, 2014 Share Posted March 21, 2014 It could be the AFM. If you can get a hold of one to borrow and try out I would do that If the plugs are fine, the fuel is good and the injectors are firing right (and arent dribbling fuel etc) then it could be AFM it could also be a boost/vac leak. Do you have an atmo bov? Link to comment https://www.sau.com.au/forums/topic/440783-r33-gtst-series-1-idlerunning-rough/#findComment-7235424 Share on other sites More sharing options...
FBRacing Posted April 8, 2014 Share Posted April 8, 2014 Same problem here. All cylinders are firing but sounds like its running 5. Have a fuel pressure gauge and far as I guess, they're not leaking down once the car is off since it holds pressure for hours. Compression is solid. I haven't done a leak down test yet but I'm leaning towards a bad igniter or AFM. Let me know if swapping the AFM works. Going to change the fuel filter too. Link to comment https://www.sau.com.au/forums/topic/440783-r33-gtst-series-1-idlerunning-rough/#findComment-7252546 Share on other sites More sharing options...
KaosCam Posted April 8, 2014 Share Posted April 8, 2014 Sounds like a fuel pump problem Link to comment https://www.sau.com.au/forums/topic/440783-r33-gtst-series-1-idlerunning-rough/#findComment-7252996 Share on other sites More sharing options...
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