Guest Konman156 Posted May 4, 2006 Share Posted May 4, 2006 My 1978 280z Revs really slow untell 4000rpms i dont know what to do.what should i check or clean it revs really slow no even driveable thats how slow Quote Link to comment Share on other sites More sharing options...
340ZXTTAZ Posted May 7, 2006 Share Posted May 7, 2006 It could be several things. have you check the spark plugs? Start with the basics. Timing, fuel pressure, ignition system, intake system. Thats a start at least. Quote Link to comment Share on other sites More sharing options...
AK-Z Posted May 8, 2006 Share Posted May 8, 2006 That is a common problem with these engines. Usually is the connection between the ECU and the harness and some times a connection to something else, not sure but I suggest checking the AFM. Just clean the connections and it should work. Quote Link to comment Share on other sites More sharing options...
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