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Old 10-31-2009, 01:19 PM   #1
BGroth
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Default replaced spark plugs now cylinders misfire

Before i bought new spark plugs my cylinders didn't misfire but when i replaced them it started misfiring when i keep a constant speed, but when i'm accelerating it doesn't do it. Any help?

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Old 10-31-2009, 01:34 PM   #2
2NDSOUT
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1994 SL2
1999 SL
Default Re: replaced spark plugs now cylinders misfire

What model year S-Series are we talking about here? May be good to add this info to your avatar and/or signature.

What TYPE of Spark Plugs? (Hopefully NO Platinum)...do a search on why Platinum plugs are BAD for a Saturn engine. NGK only are the preferred plugs.

Did you properly gap the new plugs? They should be gapped at .040

Hand tighten completely? Are the plugs cross threaded?

What condition are the plug wires in and coil towers?

...
Bryan

94SL2 HCE, "Pearl"

99 SL

94SL2 260K Miles
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97SW2 266K Miles
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94SC1 340,501 Miles
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2/97-10/08
Gone 3/12

92SL1
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