The other day I changed my header gaskets and I changed 2 cracked spark plugs because I guess I over tightened them months ago when I put them in. I went to fill up for gas literally right after I finished and my car started sputtering with 1/4 throttle or less. The sputtering feels the same as when there is moisture in the dizzy cap. But I didn't even change anything. firing order is correct. Could the 2 new plugs along with the old ones make it run different? Or did I get bad gas? I'm also getting like 8mpg now too. I went through 3/4 of a tank in less than 2 days. After I filled up it ran a little better but it still sputters. Any help would be great. I'm gonna let the tank all the way to empty and see but i'm kinda stumped
sputtering..
Chris951
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The other day I changed my header gaskets and I changed 2 cracked spark plugs because I guess I over tightened them months ago when I put them in. I went to fill up for gas literally right after I finished and my car started sputtering with 1/4 throttle or less. The sputtering feels the same as when there is moisture in the dizzy cap. But I didn't even change anything. firing order is correct. Could the 2 new plugs along with the old ones make it run different? Or did I get bad gas? I'm also getting like 8mpg now too. I went through 3/4 of a tank in less than 2 days. After I filled up it ran a little better but it still sputters. Any help would be great. I'm gonna let the tank all the way to empty and see but i'm kinda stumped
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I have never changed only two plugs at once, and i dont know if that would make a difference or not, when is the last time you changed your fuel filter or plug wires?
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5,585 Posts
plug wires are 2 months old and fuel filter is a little less than 3 months old. And I've never only done 2 plugs either..
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4,443 Posts
did you buy a cheap or quality fuel filter?
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Motorcraft. I dont think its that though. It literally just started right after I did the gaskets, plugs and gas
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I'd idle the car at nite in the dark, and look for any arking
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76 Posts
i would check the 2 plugs u put in maybe they are bad,might have been dropped in the store before you got them
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4,443 Posts
awesome, lucky it was such a cheap fix
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I know right! Before I started it up i was praying the plugs would fix it lol. Thank god its running good though. Haven't ever had it running this good
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