DTC P0303, P0300... Flashing Check Engine Light - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 06-13-2006, 04:48 PM   #11
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Or did it go in a box out to someone???? Hmmmm........

Could you possibly look into a conductive grease? Seperate ground strap from the coil to the engine block?
Nah....I'll have this fixed up in a jiffy. And if I can't find my spare..I'll swap it with Vptrumans when he'* up on Sunday... (now all I need to do is distract him for 5 min)
Tell him there'* a beer in the fridge w/ his name on it while your outside.
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Old 06-13-2006, 04:52 PM   #12
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Lol! That usually works for me...
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Old 06-13-2006, 04:56 PM   #13
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Remind me to lock my car if I ever come over! Bill, what are you doing with the car right now; are you driving it?
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Old 06-13-2006, 04:58 PM   #14
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I'll keep you posted on the outcome.
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Old 06-13-2006, 08:10 PM   #15
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im glad that you got the car fixed.....

i dont want any ricer excuses when i beat you.
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Old 06-13-2006, 08:14 PM   #16
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Originally Posted by ELMACHOGERACHO
im glad that you got the car fixed.....

i dont want any ricer excuses when i beat you.
oooooh, sorry Bill but you did ask for it

I'll be watching to see if you do get it fixed.
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Old 06-14-2006, 09:54 AM   #17
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Alrighty...

Couldn't find my spare mounting plate. For now I put a nut underneath. Later I will remove it and add some JB weld to make it permanent.
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Old 06-14-2006, 12:12 PM   #18
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nice job Bill. When my carb mounting bolt came loose and stripped on the snowblower I just tapped it out to the next size. Worked great and aluminum is easy to work with. Think I went from 1/4- 20 to 5/16-18.
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Old 06-14-2006, 12:13 PM   #19
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nice job Bill. When my carb mounting bolt came loose and stripped on the snowblower I just tapped it out to the next size. Worked great and aluminum is easy to work with. Think I went from 1/4- 20 to 5/16-18.
Yeah..that would have meant I had to actually put forth some effort...I wasn't up to it last night.
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Old 06-14-2006, 05:03 PM   #20
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Default Re: DTC P0303, P0300... Flashing Check Engine Light

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Originally Posted by BillBoost37
Odd thing is only cylinder 3 logged the misfire code. Since one coil fires two plugs, I would expect that the #6 cylinder would have also logged misfires.
I'm also curious how a coil could cause a problem with just one cylinder. Does anyone know how the engine can tell it'* misfiring?
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