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PO171-174 Engine codes : Ford F-150 Common Exhaust ...
Check engine light with PO 171-174 codes with the 5.4 motor. PCV elbow is leaking vacuum at the connection at the back of the throttle body by the firewall. |
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Rough idle? P0171, P0174? Here's what you need to check first ...
Very common symptoms we all have at one time or another with our 5.4L ... The Ford dealer will run a diagnostic and indicate that it returned an error code P0171 and P0174, which indicates the engine is running lean. ... . I have a 1998 Expedition Eddie Baur 4x4 with a 5.4 ltr engine. ... Join Date: Oct 2003. |
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Ford P0171 & P0174 Lean Codes - Auto Diagnosis Repair Help
A Ford P0171 is a LEAN code for cylinder bank 1, and P0174 is a LEAN code for ... These codes commonly occur on many Ford vehicles, and are set when the ... |
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Part 1 -How to Clean the Ford MAF Sensor (Ford 4.2L, 4.6L, 5.4L)
The most common symptom experienced when the MAF sensor is dirty is that the engine ... Check Engine Light On with one or both of the following codes: P0171. P0174. Your vehicle's gas mileage is going down the drain. ... F150, F250, F350 4.2L, 4.6L, 5.4L ... 1997, 1998, 1999, 2000, 2001, 2002, 2003 ... |
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Diagnosing Ford Misfires - Bob Pattengale - MOTOR Magazine ...
A 2003 Ford F-150 V8 rolls into your shop, with the customer complaint that the vehicle ... Perhaps the thought of a no-code driveability problem signals a difficult day ahead. ... Based on the symptom, it appears the vehicle has a misfiring cylinder. ... . If the fuel injector were providing too much or not enough fuel, a P0171 or ... |
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How do I change the ECT sensor on a 2003 5.4 liter F-150 - 10W40
How do I change the ECT sensor on a 2003 5.4 liter F-150 ... I'll try to get the codes tonight, The po171 and 174 were the lean codes I was ... . of 19%) then a vacuum leak is most likely causing the lean diagnostic test codes. |
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Bernard's Blog: PO171 & PO174 Code Cause In Ford 6.8L Triton ...
PO171 & PO174 Code Cause In Ford 6.8L Triton Engines. Because of ... These 6.8L & 5.4L Ford engines are infamous for stripped threads and actually blowing spark plugs out of their holes. ... .. Two vehicles, one a 2001 Dodge Intrepid with a 3.2L and the other a 2003 Chry. ... 2005 Ford F150 5.4L Trouble. |
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Part 1 -Troubleshooting P0171 and P0174 (Ford 4.6L, 5.4L)
Page 1 of 4: Diagnostic strategy to troubleshoot Codes: P0171, P0174. Ford 4.6L, 5.4L. ... Most Common Causes of P0171, P0174 DTC's. I've Done all ... Left Front O2 Sensor (HO2S21) Heater Test (1997-1998 F150 - F250) ... 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009. |
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intermit. rough idle, check engine w/ P0171 & P0174 codes - Ford ...
I have a 98 Expedition with a 5.4L Triton that has developed a ... They ran a diagnostic and indicated it returned an error code P0171 ... . I am curious here about what will or won;t cause a code to go into the computer. ... . Engine codep0171 and p0174, Godfrey08, 1997 - 2003 F150, 6, 11-16-2010 08:08 PM. |
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Lean Code's P0171 and P0174 – Common Causes - DenLorsTools ...
I have a 1998 ford f150 5.4 liter with the codes p1131,p1151,p0171,p0174 ... ... I have a 2003 silverado ss 6.0,codes p0171 and p0174 come on ... |
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Troublesome P0171 and P0174 codes on 1999 Ford f150 : OBD-Codes.com
Problem: 1999 Ford F150 truck, 2WD, 5.4L engine. The OBD II system has captured the dreaded P0171 and P0174 codes. ... Could some sort of vacuum leak or plugged vacuum line cause these indications and what did you ... |
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Fixed my Codes P0171, and P0174 - F150online Forums
2003 F-150 XL RCSB 2wd 4.2 M5OD 3.55 LS ... It's very unlikely that bad O2 sensors will cause lean codes - when it throws those codes that means the O2's are doing their job. ... On my 97 with a 5.4 it was a vaccuum leak. |