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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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#1 |
Join Date: Jun 2015
Location: California
Age: 26
Posts: 1
Trader Rating: (0)
![]() Feedback Score: 0 reviews
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'91 S13 KA24de getting 10mpg
Hey guys, my daily 1991 S13 KA24de is running super rich and is only getting about 10mpg with a "leaky fuel injectors" code. I bought it this way not knowing how hard it would be to figure out the problem so I suppose that's my mistake. So far I have replaced the injectors with Deatschwerks injectors. I've replaced the stock Fuel Pressure Regulator with an adjustable Aeromotive FPR. I also replaced the wiring harness since that was super jacked up and was throwing me a knock sensor code. After all these changes I still have the check engine light, i still have the leaky injectors code, and I still have about 10 mpg. I noticed that the ECU is not the one the car came with since theres writing on it. Should i try replacing that?
I've run out of things to try so I was hoping somebody on here could give me some suggestions. I really appreciate any help you can give me. Thanks in advance. |
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#4 |
Zilvia Member
![]() Join Date: Mar 2010
Location: orange county
Posts: 203
Trader Rating: (11)
![]() Feedback Score: 11 reviews
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o2 sensorrrr. Could be clogged and sending msg to the ecu not reading enough exhaust gas es so it tells ecu to throw in more gas. Ka's are funny I've had 2 of them that when the o2 sensor is completely removed still will Not throw a code and run very richh
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#5 | |
Zilvia Junkie
![]() Join Date: Mar 2011
Location: Florida
Age: 35
Posts: 360
Trader Rating: (6)
![]() Feedback Score: 6 reviews
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