Rb20det cutting out. need help!

Discuss the RB20, RB25 and RB26 series engines.
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volcomskater773
Posts: 242
Joined: Fri Jan 02, 2009 11:10 pm
Car: S14

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ok so while driving after it fully warms up it will cut out completely. If I give it any throttle it just won't do anything its like the motor is off. If I turn it off and coast it'll be normal for a bit then it'll start bucking and do it again. At night it doesn't give me any problems. Leads me to think something is getting too hot or something. I've unplugged all the sensors I can and nothing it still does the same thing. Can anyone please give me a lead or something. I'm at wits end with this damn motor.


platez808
Posts: 87
Joined: Thu May 29, 2008 11:30 pm
Car: 1989 Nissan 240SX

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i had the same issue a while back. what was happening was that my maf wiring was too long and it drooped down onto the exhaust manifold. So when the car was cold it would be fine, but as it warmed up it would melt the insulation on the wiring and then finally short the wires, frying my ecu and causing the car to cutout and die. Then it would cool down and be able to drive again until it shorted again. Not sure if thats the issue but i figured it was worth letting you know.


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