Got it running but still have a boost problem.

Discuss topics related to the CA18DE and CA18DET series engines.
nab911
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Joined: Thu Jul 03, 2003 9:33 am
Car: 93 Nissan 240SX SE

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I finally got the piece running again... it was a damn $2.50 fuse. ANYWAYS, i drove it for the first time in 6 months the other day and it was beautiful... almost. It still hits about 4 lbs then stumbles. I dont know how to explain the problem. My maf ias right before the t/b so it cant be boost leak before that or it wouldnt matter. Im going to hook a boost leak tester up to it again to see what the problem is. My speedo doesnt work and it smokes like crazy but up to the point that it stumbles it pulls me back in the seat. Any ideas on what could cause this stumble??


nab911
Posts: 2438
Joined: Thu Jul 03, 2003 9:33 am
Car: 93 Nissan 240SX SE

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I just ready the do's and dont's thread and first in my argument, this wasnt up back when i built the motor 1 year ago. I have a stock ecu and no way to adjust it. I have one hell of a t3/t04e turbo on it and with 460cc rx-7 injectors and the stock ca maf. If these things have anything to do with my problem take note

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c-rad
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Car: 1991 Nissan 240SX w/CA18DET
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nab911 wrote:I just ready the do's and dont's thread and first in my argument, this wasnt up back when i built the motor 1 year ago. I have a stock ecu and no way to adjust it. I have one hell of a t3/t04e turbo on it and with 460cc rx-7 injectors and the stock ca maf. If these things have anything to do with my problem take note
460cc injectors with no fuel control?????????????

Holy richness batman!

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float_6969
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dude, you're begging to screw something up. GET SOME TUNAGE ON THAT BIOTCH!!!

nab911
Posts: 2438
Joined: Thu Jul 03, 2003 9:33 am
Car: 93 Nissan 240SX SE

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Lol well it just hit me after reading that that it may be causing it to stumble but i just figured it would run but just run rich and blow black smoke (which it doesnt). Im broke at the moment but if someone could hook me up with a chip for this at a cheap price i would be very thankful

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c-rad
Posts: 2584
Joined: Sun Sep 19, 2004 5:10 pm
Car: 1991 Nissan 240SX w/CA18DET
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nab911 wrote:Lol well it just hit me after reading that that it may be causing it to stumble but i just figured it would run but just run rich and blow black smoke (which it doesnt). Im broke at the moment but if someone could hook me up with a chip for this at a cheap price i would be very thankful
What do you consider cheap? You will have to get your ECU socketed which will run you about $40-50. I think a better idea would be to find a set of stock injectors and get it all straight first. Then get your hands on some fuel control equipment. And an FYI, if you can't find any stock CA injectors, the ones from a 90-94 AUTOMATIC turbo eclipse/talon will work fine (they are 390cc) and go for about $30-40 a set. 20cc is negligable compared to what you're dealing with now.

EDIT: wOOt! 500 posts

nab911
Posts: 2438
Joined: Thu Jul 03, 2003 9:33 am
Car: 93 Nissan 240SX SE

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Lol well i have a socket and i can find a electronics shop/friend that could put in on for cheap. But i would need a chip to put in it so anyone here with a programmer that can burn me a cheap would be my new dad


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