My Chevy 2003 S10 V6 has code P0200 and P0300.. HELP!


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My Chevy 2003 S10 V6 has code P0200 and P0300.. HELP!

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Auto Repair Home>> Automotive Repair>> Engine ODB2 Fault Codes

theDrewDude
New User

Apr 27, 2014, 2:54 PM

Post #1 of 3 (3403 views)

My Chevy 2003 S10 V6 has code P0200 and P0300.. HELP!	Sign In

Started my car and check engine light turned on with a severe shaking and idling
problem. Check engine light would blink on and off during acceleration. I took truck to
autozone and they told me cylinder 3 was misfiring. I changed my spark plugs and still
having same issues. Went again to autozone and they said it was code p0200 and
p0300 due to issue with a fuel injection for cylinder 3. They sold me a single injection
wire for cylinder 3 for 100 bucks. I'm not a mechanic but I don't want to spend much
money (who doesnt). What is the next step. Should I keep googling ways to get to the
fuel injection and change fuel injection wire? buy the entire "spider injection" set? Run
Lucas injection cleaner and continue to drive, hoping it will fix? take to mechanic? is
there another cause? Hoping to hear some feed back. Thanks! picture is for the s10
truck with issues.

Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Apr 27, 2014, 10:42 PM

Post #2 of 3 (3368 views)

Re: My Chevy 2003 S10 V6 has code P0200 and P0300.. HELP!	Sign In

You need to stop now before you throw hundreds away. Never let the mechanic wanna-bes at Autozone diagnose anything. They are not techs. They are parts sales people.

You need to have this diagnosed accurately by a professional. There ca be all kinds of things going on there. There is nothing in the codes P0200 and P0300 that indicate anything in cylinder #3 specifically.

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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.

Discretesignals
Ultimate Carjunky / Moderator
Discretesignals profile image

Apr 28, 2014, 12:41 AM

Post #3 of 3 (3363 views)

Re: My Chevy 2003 S10 V6 has code P0200 and P0300.. HELP!	Sign In

Do a visual inspection first. Inspect the wiring harness on top of the engine for damage or chaffing. Unplug the large connector on top of the intake that plugs into the top of the injector assembly and inspect for terminal damage, gasoline leaking up through the pins, or anything else that seems unusual.

Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.

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