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139 Posts
ok like the title says i have been noticing that i am having jerking/ surgeing around cruising speed 65 to 75 when holding a steady speed.thought it was tranny related at first but, if i give it pedal she drops a gear and it clears up until i let it relax back at steady speed. checked my cts for codes and found p0284 cylinder 8 contribution/ balancing yada yada. cleared it and checked again after about 200 miles and it was back. my question is do you guys thinks its stiction or injector? not sure if i would get the fault code from stiction or not. please help as this seems to be killing my mileage. have dropped 4mpg since i noticed the problem and i drive around 800 miles a week in the mountains of montana so would like to get this solved. any advice / help would be great thanks in advance guys