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Tech Talk Technical Discussion About The Nissan 240SX and Nissan Z Cars


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Old 11-14-2007, 09:29 AM   #1
MELLO*SOS
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Clear and repull the ECU codes... I was half expecting you to find a code 34 and have infamous KS subharness short. Symptoms sound identical; ECU retards spark timing from 3000 onward and the car feels dog slow.

Sounds like you've tried most of the basic fixes already... Might want to go back and double check them all over again in case something was missed =/
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Old 11-14-2007, 10:42 AM   #2
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Quote:
Originally Posted by mello88 View Post
Clear and repull the ECU codes... I was half expecting you to find a code 34 and have infamous KS subharness short. Symptoms sound identical; ECU retards spark timing from 3000 onward and the car feels dog slow.

Sounds like you've tried most of the basic fixes already... Might want to go back and double check them all over again in case something was missed =/

that was my thought too...but it starts bogging round 2500

if i slam on the throttle, the car gets boggy doesnt respond for shit, in fact it looses revs, until the point i actually let go of the throttle, thats when it revs up...

my only solution is to only give it about 20% throttle

if i ease my way into it from idlle itll actually rev up pretty smothly until it hits say 4k it bogs out for a good 3 seconds then continues reving onward


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my thoughts are if my dizzy is known to be good, and my wires all grounded...and everything is reading proper voltage and wut not... then maybe the KS is bad, re timing itself to i think 0 rite,

one of the mech said it could be a warpped head...but i dont hear any ticks, i did for a while but it was upper chain guide, ripped it out no more noise... i dont see any smoke from the engine bay...no discolored smoke from exaust... nada
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