Originally Posted by sweethang1on1
Im also having a problem but with my Impreza its shuddering and back firing but timing is on, new spark plugs and wires and every thing is up to date. I would like some help if i can get it before i take it to a dealer.
How many miles do you have on it? Have you had any work done or recent major services/repairs? How long has it been doing this? More info may help get you some help here. There are some really knowledgeable folks on these boards, but they'll need something to go on.