benji.karabash Posted April 15, 2015 Share Posted April 15, 2015 Hi I have a Subaru wrx my98, it is heavily modified, I am the first owner of this Subaru I am having trouble diagnosing a problem with it if anyone has any info please help The car drives fine and has no issues when cruising and foot to the floor, but when the car stops or stops at a traffic light that where everything changes, after stopping, when driving the car starts to jerk or pull or purge when accelerating to higher revs and will not go away, but when I turn off the car and the start it straight away and accelerate its like brand new until I stop and it starts jerking again Sent from my iphone using Tapatalk Quote Link to comment Share on other sites More sharing options...
stants Posted April 15, 2015 Share Posted April 15, 2015 Hi welcome, What mods does it have , Could be a maf sensor idle control valve or one of many other little things. Hole in an air little or a loose hose etc. Have you tried the ecu code check ? Quote Link to comment Share on other sites More sharing options...
benji.karabash Posted April 15, 2015 Author Share Posted April 15, 2015 No but I have changed the air flow meter recently Sent from my iphone using Tapatalk Quote Link to comment Share on other sites More sharing options...
benji.karabash Posted April 15, 2015 Author Share Posted April 15, 2015 I thought it was that but no it wasn't Sent from my iphone using Tapatalk Quote Link to comment Share on other sites More sharing options...
benji.karabash Posted April 15, 2015 Author Share Posted April 15, 2015 How do u check the ecu check? Sent from my iphone using Tapatalk Quote Link to comment Share on other sites More sharing options...
stants Posted April 15, 2015 Share Posted April 15, 2015 Have you done an ecu reset after the maf swap? Are you running a aftermarket ecu or subaru one ? Quote Link to comment Share on other sites More sharing options...
stants Posted April 15, 2015 Share Posted April 15, 2015 I'm just on way home but there's a guide in the engines section i think Quote Link to comment Share on other sites More sharing options...
benji.karabash Posted April 15, 2015 Author Share Posted April 15, 2015 It's the standard Subaru ecu Sent from my iphone using Tapatalk Quote Link to comment Share on other sites More sharing options...
benji.karabash Posted April 15, 2015 Author Share Posted April 15, 2015 And yes I have done an Ecu rest after the maf swap Sent from my iphone using Tapatalk Quote Link to comment Share on other sites More sharing options...
benji.karabash Posted April 15, 2015 Author Share Posted April 15, 2015 It has a standard Ecu but a different chip Sent from my iphone using Tapatalk Quote Link to comment Share on other sites More sharing options...
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