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I got an 02 zr800efi. When its cold it fires up and idles fine. If i shut it off after it warms up i have to give it half throttle to get it to fire up again. When it does fire it idles like crap until it burns all the excess fuel out. The compression is right where it should be. I was told that it could be that the fuel injector could be leaking fuel after its warm. Anyone hear of this happening? Any help would be appreciated! Thanks!
 

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pretty common issue start it up drive it around the yard then check your ecu for a blinking code its ether throttle position sensor air intake sensor coolant temp sensor or throttle safety switch i just deatl with this on my 02 600 and just had anopther member go through it on a 600 mine was the tps his was a tps and coolant temp sensor
 
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