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Old 10-28-2010, 09:06 PM   #1
crazyduetoiowa
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HELP please!

I have an 03 s-10 4.3 vortec. Today it started idling rough and the check engine soon light came on. Any time you hit 30mph or faster it begins flashing. I took it to autozone and they pulled a p0200 code and a p0303. Please can anyone help me? I am student teaching and have very little money to pay someone to fix it.

Thanks Derek
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Old 10-28-2010, 09:21 PM   #2
danielsatur
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Re: HELP please!

p0200 - injector fault
p0303 - cylinder #3

Suspect - The injector on cylinder 3, check the injector signal wire 1st.
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Old 10-28-2010, 09:58 PM   #3
crazyduetoiowa
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Re: HELP please!

So where do I begin looking with these codes?
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Old 10-28-2010, 10:05 PM   #4
danielsatur
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Re: HELP please!

Do you know were Injector 3 is on your engine?
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