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| Engine Tech Technical discussion related to all relevant engines such as KA, SR, RB, CA, 2JZ , L24/26/28, VG, VQ, and LSx series. |
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09-17-2017, 08:39 PM
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#1 |
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Join Date: Sep 2017
Location: Bay Area CA
Age: 22
Posts: 5
Trader Rating: (0)
 Feedback Score: 0 reviews
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New Build
Hey all, I just picked up this 1990 S13 Hatch about 2 days ago. Its a 5 speed, tg. Already on coilovers, dont know which brand though. I already bondo'd a hole where the previous owner cut and welded metal to where the rear wiper was, which then proceeded to rust. Has high idle and fluctuating idle, I cleaned the IACV, nothin. Next looking for vacuum leaks but cant hear a hissing anywhere, i might be deaf lol. The idle will go from about 400 to 2000 and hold before dropping again. Smells rich which leads me to think its a vacuum leak. Any common areas I should check out on the single cams for vacuum leaks? Thanks!!
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10-03-2017, 10:50 AM
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#3 |
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Zilvia Member
 
Join Date: Nov 2016
Location: Mission Viejo CA
Age: 21
Posts: 209
Trader Rating: (2)
Feedback Score: 2 reviews
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Im not sure if this only happens when you flush the coolant from the radiator and replace it, but you could try to bleed the air in the system possibly causing the car to have a rough idle. I flushed my coolant a couple days ago and had a super rough idle until i bled the air in the system via the bleed bolt
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