My truck is missing what wrong I just gave it a tune up but I didn't use the parts it called for I used cheap ones ???..... Help
2 Answers
If it ran better before you tuned it up, then something you did messed it up. Backtrack and retrace your steps. Perhaps you left something loose or disconnected.
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I took it to auto zone and it said core pack and spark plugs..it ran fine for a week but know its running even worse..
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