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| Sniffer |
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Have a 04 ba 6 cyl ute and when its warm -hot it idles rough ,not to the point of stalling ,but u can feel the shudder.Now ford have it 3 times and keep resetting the computer.No codes r showing.Now im using 10w/40 oil in it,and they reckon its too thick and could be causing the rough idle.They use 10w/30 oil.They did say the tps causes it sometimes and wont show up as a code.Its a manual,tehy reckon the throttle body etc are all ok.Any ideas.
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| shannonwulff |
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usually you get a rough idle from your injectors, leads or sparkies being a bit old and worn out, but your car is pretty new so i doubt it would be any of those, worth a check though.
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| Sniffer |
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yeh cheers shannon,but i dont have leads ,got platinum plugs,yeh maybe an injector is stufed
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| Darkr |
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Sniffer wrote: Have a 04 ba 6 cyl ute and when its warm -hot it idles rough ,not to the point of stalling ,but u can feel the shudder.Now ford have it 3 times and keep resetting the computer.No codes r showing.Now im using 10w/40 oil in it,and they reckon its too thick and could be causing the rough idle.They use 10w/30 oil.They did say the tps causes it sometimes and wont show up as a code.Its a manual,tehy reckon the throttle body etc are all ok.Any ideas.
It says on the cap.... 10w/30..... |
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| Sniffer |
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changed oil today ,put 10w/30 in it,no difference still idles rough.
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| cjh |
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Using 10W40 oil wouldn't hurt it anyway. If you were towing something close to maximum allowable, I'd use Penrite 10W60.
Anyway, check for vacuum leaks, tighten inlet manifold bolts. I have seen when the manifolds weren't machined properly, ( top & bottom halves for the BBM), and this gives sh!tty idle. Does your BA have the little rubbers on top of the coils?
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| Sniffer |
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thanks for the reply cj.I dont know about the rubber bits mate.Going to try another dealer.
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| Molloy |
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oil wouldnt cause a rough idle??
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| cjh |
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Sniffer wrote: thanks for the reply cj.I dont know about the rubber bits mate.Going to try another dealer.
The rubbers were to stop the coils bouncing off the s/plugs. Apparently they had troubles with this on dirt or rough roads.
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