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2003 ford sportrac
2003 having issues with codes from hell p0174 p0171, new maf, air filter, checked for vacuum leaks, runs normal, codes keep coming back and I clear them, 2 or 3 hrs later back on!!! Help making me nuts
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What engine do you have ? Some have known trouble spots.
Bad PCV valve, Bad check valve on brake booster, Bad gasket between upper and lower intake. |
Originally Posted by TBG1550
(Post 2191555)
2003 having issues with codes from hell p0174 p0171, new maf, air filter, checked for vacuum leaks, runs normal, codes keep coming back and I clear them, 2 or 3 hrs later back on!!! Help making me nuts
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[QUOTE=TBG1550;2191561]4.0 2003 ford sportrac[ thank you
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OBD2 TroubleCodes p0171 & p0174 on the 2001~2003 SportTrac V6~4.0L~SOHC Engine commonly indicates a leak in the 5/8"ID PCV VacLine between
the PCV Valve on the rear of the left driverside ValveCover & the PCV HeatExchanger on the right side of the IntakeManifold throat. Those rubber hose elbows are notorious for cracking+leaking after 10+ years of service. If your PCV line is factory original, I'd just replace the entire RubberHose+PlasticTube "L" assembly with 5/8"ID HeaterHose, & replace the PCV Valve itself if it's more than 2years old; at least clean it. Click here for more info on the PCV for the Ford V6~4.0L~SOHC Engine. PCV Hose Assembly Ford# kcv190 & PCV Valve Ford# ev268 https://cimg3.ibsrv.net/gimg/www.ran...e72fa76aca.gifhttps://cimg4.ibsrv.net/gimg/www.ran...e997e7a8d9.jpg |
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