Question about 2001 Ford Ranger Regular Cab

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Misfire in cylinder1 and 4 new i put on a new coil and it still isnt firing out of the new coil in 1 and 4

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Misfires are either fuel/air mixture or spark.

If you've got the spark, then start looking at the fuel/air mixture. Check the plugs to ensure that they are in good shape (no cracks, not discolored, properly gapped).

Double check the plug wires and firing order... if everything checks out, then you could be having a vacuum problem such as an intake gasket leak.

Good luck!

Posted on Apr 29, 2010

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Posted on Jan 02, 2017

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