will not start

Discuss the RB20, RB25 and RB26 series engines.
spin
Posts: 5
Joined: Sun Apr 13, 2008 9:38 am
Car: 1989 240sx

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just finished rb20 swap in 240sx drove about 4 miles car went dead like when intercooler piping comes off but thats not it.when you try to start it will backfire like out of time and cough through intake.it has fire it has fuel it is intime.someone help please!!!!


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S13 240SX
Posts: 1065
Joined: Thu Dec 08, 2005 2:44 pm
Car: 93 Mazda Miata

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go back to your wiring and look at the dashboard plug harness... take the oragne wire and slice into the rb20 ecu pin 43

spin
Posts: 5
Joined: Sun Apr 13, 2008 9:38 am
Car: 1989 240sx

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dont know what orange wire your talking about o/b o/s o/r wires car is 1989 thanks for your help

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S13 240SX
Posts: 1065
Joined: Thu Dec 08, 2005 2:44 pm
Car: 93 Mazda Miata

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ill get back to you later

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S13 240SX
Posts: 1065
Joined: Thu Dec 08, 2005 2:44 pm
Car: 93 Mazda Miata

Post

watch this video http://www.youtube.com/watch?v=7Zuj_ttWYSg

pay attention to the video of the guy talking about the orange wire from the dash plug to slice into ecu pin 43 wire.

Yellow4g63
Posts: 3718
Joined: Mon Jan 20, 2003 6:07 pm
Car: 95 Nissan RB20 240SX RB20
91 Nissan NX2000 VE power
95 Nissan 240SX Stock
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spin wrote:just finished rb20 swap in 240sx drove about 4 miles car went dead like when intercooler piping comes off but thats not it.when you try to start it will backfire like out of time and cough through intake.it has fire it has fuel it is intime.someone help please!!!!
You blew off the intercooler pipe and then you tried to start it and the car won't run? Did u put the pipe back together again? If that happens and you don't have any tools near by you can limp it home buy unpluging the MAF. The car will drive but won't rev over 3k.


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