two front injectors shut off when warm?

joeytomatoes · 11-19-2011, 03:36 PM

sup guy need some help . i have a 02 wrx and it is having some injection issues,its has injector pulse when cold but when she runs warm the two front injectors shut off, but they have 12v at the plugs is there a ground i should be looking for? ive tried another ecu and its doing the same thing. please help this is killing me

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gaby · 12-07-2011, 06:39 PM

Disconect the plug and plug in a Christmas light and see if it flash. The ecu controls the ground not the the +.

joeytomatoes · 12-17-2011, 11:06 PM

finally figured out what was wrong found the iac valve was stuck open causing the two front injectors to shut off.now i just need to figure out why when its boosting she seem to be sputtering?

11-19-2011, 03:36 PM	#1
joeytomatoes Scooby Newbie Member#: 161657 Join Date: Oct 2007 Chapter/Region: NESIC Location: rhode island Vehicle: 02 wrx wrb	two front injectors shut off when warm? sup guy need some help . i have a 02 wrx and it is having some injection issues,its has injector pulse when cold but when she runs warm the two front injectors shut off, but they have 12v at the plugs is there a ground i should be looking for? ive tried another ecu and its doing the same thing. please help this is killing me * Registered users of the site do not see these ads.

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12-07-2011, 06:39 PM	#2
gaby Scooby Specialist Member#: 94097 Join Date: Aug 2005 Location: Tucson, AZ Vehicle: 2004 WRX Hybrid GT35 11.2@130.7	Disconect the plug and plug in a Christmas light and see if it flash. The ecu controls the ground not the the +.

12-17-2011, 11:06 PM	#3
joeytomatoes Scooby Newbie Member#: 161657 Join Date: Oct 2007 Chapter/Region: NESIC Location: rhode island Vehicle: 02 wrx wrb	finally figured out what was wrong found the iac valve was stuck open causing the two front injectors to shut off.now i just need to figure out why when its boosting she seem to be sputtering?