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I have a 2003 Dodge Dakota and before the engine warms up it will misfire backfire have low power and sometime shake when accelerating or going up a hill. after it warms up it doesn't do any of this and run fine. I've changed distributor rotor wires and plugs. Any clue what could be causing this?

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    Same issue with my Mercedes b160. I think many cars do that when it's cold. But I'm not an expert, so let's see if someone has the solution to our suffering. – Ivan Venediktov Nov 29 '16 at 9:19
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    what engine? 4.7? what do fuel trims look like when cold? any stored codes in the computer? my first thought would be intake gaskets. my second thought is head gaskets. – Ben Nov 29 '16 at 12:30
  • 3.9 v6 engine. I don't know the fuel trims, I'll have to get that info. No stored codes. – FierceMonkey Nov 29 '16 at 16:16

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