trwebb26 Posted September 30, 2005 Share Posted September 30, 2005 Tonight I took my newly acquired 78' 280Z out for its first test drive. It had a surging problem where you'd come to a stop and the rpms would go up to ~2500 for about 3 seconds and then drop back down to normal. Any ideas??? Quote Link to comment Share on other sites More sharing options...
olie05 Posted September 30, 2005 Share Posted September 30, 2005 first of all is it fuel injected? if so check the bcdd (boost controlled deceleration device) under the throttle. There is a nut to adjust it where you can set it so that it is not functional anymore. If it only happens with the brakes applied, check the brake booster for leaks. -Oliver Quote Link to comment Share on other sites More sharing options...
trwebb26 Posted September 30, 2005 Author Share Posted September 30, 2005 Thanks.... I'll check that out tomorrow. One more thing. Does the "HAZZARD" light always stay on? Mine does - whether the hazzard lights are on or not? Quote Link to comment Share on other sites More sharing options...
Guest ON3GO Posted September 30, 2005 Share Posted September 30, 2005 ya the hazzard switch stays on.. mike Quote Link to comment Share on other sites More sharing options...
trwebb26 Posted September 30, 2005 Author Share Posted September 30, 2005 Can I just take off the BCDD? Does the 240SX throttle body have a BCDD? This would be a good reason for me to upgrade. Quote Link to comment Share on other sites More sharing options...
olie05 Posted September 30, 2005 Share Posted September 30, 2005 no the 240sx tb does not have bcdd. You should check to make sure it is the bcdd problem first before you start changing parts, only to be dissapointed... (speaks from experience...) lol -oliver Quote Link to comment Share on other sites More sharing options...
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