Question about 2005 Ford F-150

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2005 ford f150 wont pass emissions

Not throwing any codes but will not pass or fail emissions. Ford mechanic cleared the brain but still nothing.

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  • Ford Master
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Will not pass or fail?? That doesn't really make sense.

Posted on Jul 29, 2013

Testimonial: "yes, it states not ready. have been to 4 mechanics. changed the IMRC.ford siad it looks fine. now plates have expires and can not renew them or insurance. ugh."

  • Susan Duva
    Susan Duva Mar 21, 2015

    We have the same issue. Did you ever pass?

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Posted on Jan 02, 2017

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  • 1 Answer

SOURCE: 96 ford escort lx failed emissions code #p1443

1996 ford escort runs fine with full power but check engine light comes on p1443 and i changed gas cap the light still comes on?

Posted on Jan 09, 2010

  • 1 Answer

SOURCE: Truck just stops b- 2005 Ford F150 80,000 miles

I had the same issue i changed the fuel fillter it was a little dirty but not bad. Still had problem then i cleaned out the throtel it worked good for a while. Ended up replacing the throtel its about $250 if you do it yourself which is not hard to do. The problem is the electronic throtel control but you have to replace the whole thing not sold seperatly hope that helps. Been running great did that 15,000 miles ago.

Posted on Feb 06, 2010

  • 12650 Answers

SOURCE: Failed emissions What fuse for OBD port on 2006 Ford Fusion?

check the out put from the computer to the obd ll port if good need to check the wiring harness ,connections and pin contacts from computer to obd ll port connections possible short,frayed or broken wire

Posted on Feb 14, 2010

motor1258
  • 6674 Answers

SOURCE: 2005 Ford F150 with check engine light on . Code

Could also refer to MAF sensor. ( Mass air flow ). Usually in air cleaner inlet or filter assy, area.

Posted on Feb 19, 2010

  • 1857 Answers

SOURCE: diagrams for timing chain for ford f150 2005

if you did not set a code then the timing is not off. Use a data scanner to check it. What makes you think the timing is off ??

Posted on Jun 08, 2010

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2 Answers

2003 Ford Explorer keeps coming up with P0060 Ford - HO2S Heater Resistance Bank 2 Sensor 2 i have changed the sensor 3 times and still nothing!


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I noticed you said "van", the title of the question says "Problem with 2005 Ford Escape". I just wanted to make sure we're talking about the same vehicle. That code (for an Escape), would be a Fuel Rail Pressure and/or Temperature Sensor. As long as you have a check engine light on, you will not pass emissions. As soon as they see the light on, they will fail you immediately because they plug there monitoring machine directly into the OBD-II port. (On Board Diagnostics Series 2) under the drivers side dash. If the check engine light is not on at the time of the test, you might pass emissions as long as the engine is running ok.
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Will it pass emissions without knock sensor



  • No, your truck will run lean and back up the timing until the pinging stops, and throw a code. For the 5.4 see the diagram below. A hard job job to do just take your time, they are under the intake.


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  • If you have any comments please feel free to leave them here.
  • Hope this helps and thank you for using FixYa.

Regards, Tony

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2003 Chevy Impala..wont pass emission. Code stated COOLING FAN, so we replaced. The light is still on, still wont pass, replaced the relay fuse..ant idea? I am a single mother with low income and am now...


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I have a emission malfuction code p1451 in a ford f150 4.6 V8 1999 triton automatic 135,000 miles. what can be the problem?


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Apr 26, 2017 | 1989 Ford F 150

1 Answer

Keeps failing emission check engine light not on


As you probably know by now there is no way to pass an emissions test as long as the check engine light is on....Your car is what they call an OBD2 system... You need to have the diagnostics codes pulled by a special tester specifically for OBD 2 systems... Once codes are pulled fix if necessary any problem and have the codes cleared... This will turn the check engine light off an enable you to pass smog providing your car is running properly...

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1998 f150 reset drive cycle


You have to drive the vehicle after the codes have been reset to let the monitors do their tests....If every test ok it will pass inspection....Its usually about 75 miles.....

Feb 09, 2010 | 1998 Ford F150 Regular Cab

1 Answer

2001 Ford F150 SuperCab 4x4 with 90,000 miles - service light on


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Jan 02, 2010 | 2005 Ford F-150

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