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View Full Version : Help!!! SR20DET idles high and runs like crap!


90S13dude
03-27-2007, 11:28 AM
As the title says I just got done with my swap. The car idles at about 2000 rpm and it bogs down really bad when you drive it. I checked the MAF and I am getting power to the plug but when I unplug the stupid thing with the engine running there is no change. This morning I tried to check the ECU for codes but the light does not blink it just stays lit up. Any ideas????
Chris

90S13dude
03-27-2007, 05:28 PM
Also I checked the wiring. I am getting 12-14 volts on the black/white wire but nothing on the signal wire. Bad ecu????
Chris

420sx
03-27-2007, 06:03 PM
maf.
maf.
maf.

if by some miracle from God this is not a maf. check ALL and i mean ALL your piping for a boost leak. reset the timing. then if it dont work poor water in it (please dont lol)

90S13dude
03-27-2007, 06:24 PM
Well, I also tried my SOHC MAF and it didn't work either. Would the timing cause all of these problems??? I swear I am not stupid, just new to the swap world.
Chris

420sx
03-27-2007, 06:25 PM
reset your timing using the fsm step by step. come back afterwards

90S13dude
03-27-2007, 07:22 PM
I dont know where to get the FSM, zeroyon.com doesnt work anymore.
Chris

crazybb
03-28-2007, 12:17 AM
http://www.frsport.com/How_To_Set_Crank_Angle_Sensor__CAS__Timing_on_the_ SR20DET_Engine_t_25.html

90S13dude
03-28-2007, 09:28 PM
Timing was off about 5 degrees I think.... It was on the 3rd mark from the left not the 2nd. Car settled down a little but not much changed. Also, could all of this be due to me running open header with no dp or cat back????
Chris

wangan_cruiser
03-28-2007, 09:42 PM
complete the whole set up 1st .....u didnt mention that u had an open dp with it

jdm_s14_zenki
03-28-2007, 10:01 PM
no o2 sensor???? when i have a mean exhaust leak from the head to manifold, my car idles high and boggs...still drivable but sucks. will be throwing off the o2 sensor as well. but definately check for vaccum leaks. pressurize the system. if you already checked, check again, and again.