cornish6544 Posted May 14, 2017 Posted May 14, 2017 I have 440 yellows on my classic wrx but when i bought them they were second hand. Recently the car has had a rough idle when warm and sometimes struggles to start and needs encouragement from the accelerator. Seems maybe a tad down on acceleration also. These all point to my injectors needing professionally cleaned am i right?
cornish6544 Posted May 14, 2017 Author Posted May 14, 2017 Also does carbon cleaning clean out the injectors?
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