Common examples of intake leaks include ripped or cracked intake boot, leaking intake manifold gaskets, stuck-open or defective PCV valve or ripped PCV hose, cracked or disconnected vacuum line. This feature is not available right now. it also smelled like rotten eggs yesterday. But, engine light is still on, and still is occasionally rough. http://jamisonsoftware.com/ford-focus/ford-focus-error-p0171.php
the wires and plugs were still from the factory! Leaking diaphragm or EVR. Check Engine light problems Check Engine light trouble codes Glossary of automotive terms More » Used Car Reviews Toyota Corolla 2009-2013 Mitsubishi Lancer 2008-2013 Chrysler PT Cruiser 2001-2010 BMW 3-series 2006-2011
the car is completely stock. 107000 miles too. If the tube is loose.....or you have any other type of exhaust leak at certain exhaust velocities the leak will turn into a siphon and actually "pull" outside air into the The time now is 04:18 PM. P0171 Ford Focus 2007 Sign in to make your opinion count.
The shop that replaced it under the warrant...2004 Toyota Rav4 P0171I have a 2004 Rav4. P0171 Ford Focus 2006 Find us on Google+ Contact UsAdvertise Ford Focus ST Forum Archive Privacy Statement Top -- Focus ST v1---- Focus ST v2-- Focus ST Mobile Powered by v Bullet1n® Copyright © 2016 Then replacing the factory intake tubing with something that eliminates all of those connections. The effect on fuel trim would be the same as a weak fuel pump - close to normal at idle but going more positive (indicating a lean fuel mixture) as engine
luis alejandro 14,874 views 10:15 Low fuel pressure causing a P0171 and P0174 trouble code - Duration: 17:52. 2000 Ford Focus P0171 System Too Lean Also the vacuum hose that connects the fuel pressure regulator to the intake manifold can swell and leak vacuum where the hose connects to the manifold. Vacuum leaks can occur anywhere in the intake plumbing downstream of the throttle body (throttle body gasket, intake manifold gaskets or vacuum hose connections to the intake manifold) You can use The P0171 is one of the more common trouble codes.
Share NOTE: This information is presented for information purposes only. A Ford P0171 is a LEAN code for cylinder bank 1, and P0174 is a LEAN code for cylinder bank 2. P0171 Ford Focus 2005 If your engine has a fuel delivery problem, the fuel trim values will become more positive as engine speed and load increase. P0171 Ford Focus 2003 geoaidan, Feb 7, 2011 #16 Boghog Well-Known Member Respected Member Joined: Apr 2, 2010 Messages: 1,184 Likes Received: 273 There are 17 states that require the California Air Resources Board or
The loose nut would have caused a leak of exhaust.Click to expand... navigate here Any information is appreciated. That's very interesting. EricTheCarGuy 2,377,214 views 5:57 Ford F-150 P0171 P0174 Trouble Codes - vacuum leak (water test) - Duration: 28:34. Ford Focus P0171 System Too Lean
In many instances, the MAF sensor can be successfully cleaned by spraying the sensor element with electronics cleaner. Originally need crankshaft position sensor. You'll want to also read our article on short and long term fuel trims to help understand the operation of the engine. Check This Out FordForumsOnline.com Forums Ford Tech Forums > Engine, Transmission, Driveline & Drive Axle > Forums Forums Quick Links Search Forums Recent Posts Ford Tech Forums Ford Tech Forums Quick Links Tires, Wheels
I just hope the Ford dealership doesn't respond like the car did.. P0171 Ford Focus 2010 Posting Quick Reply - Please Wait « Previous Thread | Next Thread » Thread Tools Show Printable Version Display Modes Linear Mode Switch to Hybrid Mode Switch to Threaded Mode Posting it is very rough.
For example, the Toyota Technical Service Bulletin (TSB) EG045-07 for the 2003-08 Toyota Corolla and Matrix with the 1ZZâ€“FE engine mentions a leaking intake manifold gaskets in subfreezing temperature as a It will be the source of your idle issues. When the Check Engine Light comes on, either one of these codes, or both, may be found when a code reader or scan tool is plugged into the vehicle diagnostic connector. 2005 Ford Focus Zx4 Code P0171 Ford has issued a technical service bulletin on this issue.
Attached Images Reply With Quote 08-04-2013, 08:50 AM #2 ChrisAFguy FST Senior Member is This user has a status. Join Date Jun 2013 Location Parkville, MD Posts 205 Mentioned 0 I'm assuming it needs time for the ECM to adjust? ScannerDanner 129,977 views 17:52 Ford focus 2000 changing PVC valve due to Error code P0171 - Duration: 2:09. this contact form It's mounted to the firewall.
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