error code p0300

2009 CHEVROLET TRAVERSE
101,000 MILES • 3.6L • 6 CYL • TURBO • 2WD • AUTOMATIC
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GREGAGUILAR
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My auto has engine lite on and has po300 code i need to check the fuel pressure but dont see the check valve to hook up to it. also i changed out all spark plugs with acdelco and i ignition coil . how can i check the rest auto barely moves and misfires
Dec 29, 2015 at 7:39 PM
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HMAC300
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with a misfire code it can be a sensor bad as well your cheapest option is to have a pro do it to avoid unnecessary parts as well as aggravation. the port is on the fuel rail you need to remove the cap to hook up the gauge, it may require a special adapter.
Dec 30, 2015 at 7:27 AM
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THIS IS MIKE
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  • ASE Certified Mechanic
GREGAGUILAR
Thu, Dec 31, 2015 at 3:59 am

Thanks for the response but if i did not want to do this myself i would take my auto to a mechanic. I will pinpoint the problem , this auto has a 3.6l motor my washing is about as big as this. com on man referals we dont need. help is what i need. thanks anyway I kinda thought it was on the fuel rail but what is needed to discover it.I will send u some tamales made out of pork lol
Dec 31, 2015 at 9:37 AM
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