dan Posted June 5, 2011 Share Posted June 5, 2011 I bought a 78 that has not been driven alot it has a slight stutter at cruising speeds not a miss but like a surge every now and then. I have replaced plugs and wires fuel filter and adjusted valves still no help any ideas of what may cause this thanks Quote Link to comment Share on other sites More sharing options...
Matt K Posted June 5, 2011 Share Posted June 5, 2011 Could be a number of things...distributor, crap in the fuel tank, bad grounding, afm, coolant temp sensor. Quote Link to comment Share on other sites More sharing options...
leopard_125 Posted June 5, 2011 Share Posted June 5, 2011 Had a shutter on a L28 once, after much head banging and many parts swapped, found the pintle was broken off three injectors. thus not allowing the fuel at low engine speeds to properly atomize for complete combustion.It ran fine at WOT. Quote Link to comment Share on other sites More sharing options...
dan Posted June 6, 2011 Author Share Posted June 6, 2011 Thanks will pull injectors tomm sounds like my problem Quote Link to comment Share on other sites More sharing options...
mario_82_ZXT Posted June 6, 2011 Share Posted June 6, 2011 Check the TPS and check the resistance in the AFM for dead spots. Quote Link to comment Share on other sites More sharing options...
BluDestiny Posted June 6, 2011 Share Posted June 6, 2011 my ZX would stutter or have a miss every now and then, ended up replacing my rotor and cap. The rotor was dented so every now and then it wouldn't make contact with the rusted out cap. go figure. Quote Link to comment Share on other sites More sharing options...
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