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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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Old 11-13-2012, 01:28 PM   #1
andres_240sx
 
Join Date: Nov 2012
Location: Fishkill, New York
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SR help 89 240sx sr20 wont start but cranks.

just bought a 240sx with sr20det for cheap because it was blowing ECU's. fixed that problem, everything was spliced into,(HORRIBLE WIRING) it had remote start, alarm. it was a mess.
anyways got it running but was breaking up. it had 3 holes in the cold side intercooler pipe. 'replaced that'. ran fine for about 2 days then it started misfiring in cylender 3. changed the coil pack, still misfiring. then i changed the coil harness and stopped misfiring. drove it for about 3 hours and started misfiring again.
1. coils are good
2. compression is good
3. harness is good (swapped it in my friends sr)

(also, boost spikes over 15 pounds.. started misfiring after it spiked)

anyone have any ideas ? please help

Last edited by andres_240sx; 11-14-2012 at 01:12 AM..
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