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are the ls400 afm electronics the same. as my 89 turbo my afm is bad and i can get a whole afm with electronics from ebay, and i was gonna switch the electronics for know. will the car run, i heard they were the same.

i think the afm is bad, its weired though the cel only comes on when decellereating if im cruising at highway speeds or accelerating the light wont come on and the car drives good but once i let the rpms drop or come to a stop the light is back on, anyone have a afm for sale?

i dont know anyone else with a mk3 so i have to test the afm and i dont have a multimeter right now. just to make sure though will a boost leak trip a code 31?

i recently added a large spearco replica intercooler and 2.5 hard pipes, rerouted throught the headlight hole instead of the fender, and car ran like crap for the first few miles then after about 150 miles i now have code 31 can it be boost leaks or can code 31 only mean the afm is bad. my...