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I'm haveing some issues with my zc that I'm having trouble figureing out...
I've replaced my distibutor, cam possition sensor, plugs, I have an external coil that I've also changed out with no change and also unhooked the msd sci box also with no change, the tps is reading the write voltage and I'm out of ideas... when I'm driving at about 3-4000 rpm it will have quick and repeated hestitation but if i floor it it runs fine...
Anyone else ever have this problem?
 
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this happened to me too.......

Volitech said:
I'm haveing some issues with my zc that I'm having trouble figureing out...
I've replaced my distibutor, cam possition sensor, plugs, I have an external coil that I've also changed out with no change and also unhooked the msd sci box also with no change, the tps is reading the write voltage and I'm out of ideas... when I'm driving at about 3-4000 rpm it will have quick and repeated hestitation but if i floor it it runs fine...
Anyone else ever have this problem?
this happened to me too, but it was @ 2600 rpms
no matter if it was freeway driving or whatever.......
ready for this??
the spark plug wires!!
ha ha ha
JDMism
 
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when your car is hesistant.. dont get tha most expensive thing first.. jajaja.. tha distributor alone can cost upto 300$...

juss a simple tuneup..
plugs+wires, pcv valve, injector cleaner, change oil+filter..
then try it..
 

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AuProductions said:
when your car is hesistant.. dont get tha most expensive thing first.. jajaja.. tha distributor alone can cost upto 300$...

juss a simple tuneup..
plugs+wires, pcv valve, injector cleaner, change oil+filter..
then try it..
I already have a new dizzy I had to get one cause their was red dust all over inside the cap witch I've been told is the sign of bad bearings the plugs are brand new zex plugs and it did the same thing with the ngk plugs and the wires are msd and only 4 months old... the pcv valve I didn't think off I'll pick one up tomorrow and see if it helps.... the injectors right now are stock injectors but I have some brand new venom injector that didn't fix it either...
 
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I had this problem with my car for a while with my car, the distributor wires were getting pulled everytime I got on the gas, I had bad mounts make sure you secure your wiring from moving around. If it has something to do with your distributor casuing hesitatinon often your RPM gauge will fluctuate wildly. Your problem seems like something simple but easyly missed if you get no hesitation at WOT, that means your dont have cloged fuel lines and are getting a good enough spark. Dose it hesitate when you have in nuetrul and just rev it?
 

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ZC's are notorious for having dizzy problems...However that seem not the case since you allready replaced everything related to that..........


When was the last time you changed your fuel filter?.....
Or cleaned your throttle body?......



very well could be injectors........

Pop them out and get them cleaned..

In my opinion it sounds fuel related....



are your running 91......or better..... that could also be the problem...
 
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