Jumping at low RPMS

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metaldrgn

metaldrgn

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So at wide open throttle you aren't really seeing any issues? Just at idle at low/moderate acceleration and it seems like an occasional miss?

If that's the case I personally don't expect plugs/coils to be the cause but I wouldn't rule them out either. The egr valve may be recirculating too much exhaust causing a slight misfire.
 
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Goats

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metaldrgn said:
So at wide open throttle you aren't really seeing any issues? Just at idle at low/moderate acceleration and it seems like an occasional miss?

If that's the case I personally don't expect plugs/coils to be the cause but I wouldn't rule them out either. The egr valve may be recirculating too much exhaust causing a slight misfire.
Click to expand...

If that was the case wouldn't the dpfe senser pick that up. Having saying that it would throw a code.
 
metaldrgn

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Goats said:
If that was the case wouldn't the dpfe senser pick that up. Having saying that it would throw a code.
Click to expand...

Lol, I looked up that part and one of the first things to come up sounds incredibly similar to his problem. That sensor could be the problem. This link is for the Ford Focus but sounds like the same part.

DPFE Sensor and EGR Information - Focus Hacks

Also they mention workarounds you may be able to try before buying parts
 
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DKH2Hrnt

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Would a failed dpfe sensor cause a flashing check engine light? Check engine light came on this morning, then a minute later started flashing. I haven't been able to look into the problem because I had to fix a bunch of other stuff for inspection.
 
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DKH2Hrnt

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Took a while, but I was able to switch out the plug and coil on the #4 cyclinder, and now it's running smooth. Hope I never have to do it again. Also seafomed the truck, and my mpg instantly shot up. I was usually getting around 12.3mpg, but now I got 13.8, and that's after my wife drove it!
 
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