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New Spark Plugs

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Old 07-24-04, 10:05 PM
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Rex7

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New Spark Plugs

OK, my friend just put my new NGK spark plugs in for me today. when i go and start it, it seems to respond more slowly and seems like there is a slight loss of power. is there such thing as not tightening them in right. and is there such thing as 'breaking' in new spark plugs?
Old 07-24-04, 10:26 PM
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No, Plugs should work better as soon as installed... check to see that he didn't leave the leading plugs disconnected.
Old 07-24-04, 11:19 PM
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Make certain the plug wires are connected to the correct plugs. The front coil-both plug wires should go to the lower plugs. Doesn't matter which one. Rear coil marked T1 T2. T1 upper front and then T2 would be upper rear plug.
Old 07-25-04, 09:34 AM
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both leadings fire simoltaniously?

it makes sense, but I never knew that.
Old 07-25-04, 10:33 AM
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Originally Posted by Turbonut
Make certain the plug wires are connected to the correct plugs. The front coil-both plug wires should go to the lower plugs. Doesn't matter which one. Rear coil marked T1 T2. T1 upper front and then T2 would be upper rear plug.
T=top, trailing
l=lower, leading

gotta love dem mazda engineers
Old 07-25-04, 10:18 PM
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Thumbs down

Originally Posted by 13bSav
OK, my friend just put my new NGK spark plugs in for me today. when i go and start it, it seems to respond more slowly and seems like there is a slight loss of power. is there such thing as not tightening them in right. and is there such thing as 'breaking' in new spark plugs?
I guess you back out on the seats huh? Not the way you want to get a reputation here as a bad deal maker...
Old 07-25-04, 11:35 PM
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uh oh... btw take it to good/guy bad/guy and then add a link to your signature :P
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