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2006 Ford Ranger Question: What can I try now?

 

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panfish, 3.0L V6, Covington, GA, May 18, 2013, 15:49
 Rookie

At idle it misses. Up to speed runs smooth. Every now and then it hick ups/jerks. Engine light comes on. Codes said Crank shaft sensor, so I changed it. It didn't help. The other code said misfire #1 cylender before 1000 rpm's. Changed wires, plugs, fuel filter.

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  • Answer #1

    gearhead89 May 18, 2013, 22:05
     Technician

    oh sounds like fords typical two piece spark plug. take it to a reliable garage and have them show you the old plug. put in N.G.K version. the misfire is a false reading. they have been known to throw spark plugs.

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    panfish, May 19, 2013, 07:59
     Rookie

    changed plugs and no change

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    gearhead89, May 20, 2013, 21:47
     Technician

    that's the two piece plug I was talking about those plugs jam in their right away and snap when you pull them out k.d tool makes a thread repair kit for it. I work at a parts store that has a machine shop and we see this all the time

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    pushrod, May 21, 2013, 00:01
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     Master

    Not on this engine! Talk to the mechanics in the shop. Triton 5.4L 3 valve if you dont know how to remove them then yeah you can break the factory installed plugs, then it becomes a "two piece" (or more) plug.

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  • Answer #2

    pushrod May 19, 2013, 07:35
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     Master

    Idle speed only misfire sounds like a vacuum leak or low compression! After you changed plugs and wires did it run any better at road speed? Use Motorcraft parts? Code PO301?

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    panfish, May 19, 2013, 07:57
     Rookie

    Yes one code was po301 and the other one po316. no it run the same yes i used motorcraft.and some times it misses and jerks between 1500 and 2000rpm before shifts

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    pushrod, May 19, 2013, 08:10
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     Master

    301 can set 316 check for vacuum leak or low compression on cyl. 1.

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