1agf&r33 Posted September 15, 2017 Share Posted September 15, 2017 Intermittent running problems Hi everyone, should probably start this off with a bit of background info. this is my back and fourth to work car, i do have a lead foot sometimes, but I don't need it for the power. my r33 non turbo automatic with the RB25DE has been running rough intermittently when it first started I thought it might have been a fuel issue, so changed the fuel filter, oil, oil filter and blew out the air filter i pulled the coil packs out and they were starting to show small problems Problem continued , had to wait a few days to fix that but finally got round to it, cleaned the carby and mass flow, the spark plugs i had thought should be still good since the last service not many k's before but a fair amount of time it drove smooth the next day, then started to drive rough 30mins in the day after. i pulled it apart again deciding to change the plugs, chucked carby cleaner drove the next day calmly, day later ran rough 35mins into drive decided the coolant temperature sensor needed to be replaced drove to and from work smoothly then jumped in to run down the road and it didn't just wait to be 10 or 15 mins into the drive, it ran rough all the way Link to comment https://www.sau.com.au/forums/topic/472027-intermittent-running-problems/ Share on other sites More sharing options...
GeeDog Posted September 15, 2017 Share Posted September 15, 2017 1 hour ago, 1agf&r33 said: cleaned the carby Where did you find this carby? Link to comment https://www.sau.com.au/forums/topic/472027-intermittent-running-problems/#findComment-7849943 Share on other sites More sharing options...
1agf&r33 Posted September 15, 2017 Author Share Posted September 15, 2017 *carburettor 15 hours ago, GeeDog said: Where did you find this carby? Link to comment https://www.sau.com.au/forums/topic/472027-intermittent-running-problems/#findComment-7849985 Share on other sites More sharing options...
KiwiRS4T Posted September 16, 2017 Share Posted September 16, 2017 Needs twin carbs. What did you do about the coils? At a minimum they need to be thoroughly cleaned and then wrapped in insulating tape - better still replace with OEM or Splitfires only. Link to comment https://www.sau.com.au/forums/topic/472027-intermittent-running-problems/#findComment-7850003 Share on other sites More sharing options...
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