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Old 10-19-2011, 11:56 AM
ChevMali99 ChevMali99 is offline
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P00300 - Any ideas on how to solve that?

Is that time again where I have to pass NYS inspection and the check engine light is on, funny how that happens around inspection time. The code stored is 00300 and short of going through the whole expensive process of changing the wires and plugs - all of which can be a hit or miss proposition - what can I do?
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Old 10-19-2011, 12:51 PM
danielsatur danielsatur is offline
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Re: P00300 - Any ideas on how to solve that?

What's the year + mileage?
Plugs + wires are good for 100k miles.
I would start with regular maintenance, that could of been forgotten.

Examples -
Air filter, Fuel filter, MAF sensor cleaning, and a new upstream H02 sensor.

See also Google > ''Youtube DIY Auto repairs''

Last edited by danielsatur; 10-21-2011 at 08:05 AM.
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Old 10-19-2011, 05:08 PM
Tech II Tech II is offline
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Re: P00300 - Any ideas on how to solve that?

More often than not, plugs/wires DON'T last 100K.....

Year, mileage, and engine?
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Old 10-19-2011, 06:21 PM
ChevMali99 ChevMali99 is offline
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Re: P00300 - Any ideas on how to solve that?

Thank you all for the replies. The car has 155+k miles and the last time I did tune up was probably 3 or 5 years ago... so perhaps it might due.
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