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Miss Fires Bad With New Plugs And O2's

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Old 08-14-2007, 04:29 PM
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Default Miss Fires Bad With New Plugs And O2's

Car Miss Fires Off And On. It Is A Heads And Cam Ta With New 02 S And Spark Plugs. When It Miss Fire The Car Shakes And Backfires. The Laptop Reads No Codes But The Timeing Jumps From 18 To 32 Dregres Of Timing When It Mess Up.
Old 08-14-2007, 07:42 PM
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make sure plugs wires are plugged in order correctly and check plug gap.
Old 08-14-2007, 08:15 PM
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Also, might want to see what your knock sensors are picking up with your timing jummping around like that.
Old 08-14-2007, 10:23 PM
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Only the O2's and plugs are new? And it didnt do this at all before they were replaced?
Old 08-16-2007, 08:12 AM
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yes the car did, thats why i replaced them. the car has no codes, if it helps it is a heads and cam car with a tsp tune.
Old 08-16-2007, 08:59 AM
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the knock reads 8 to 10 but on when it mess up other wise 0
Old 08-16-2007, 09:00 AM
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the motor makes no noise and good oil press.
Old 08-17-2007, 08:06 AM
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going to put new knock sensors in it to day




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