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I have a ford focus 2005 that has a p040 check engine code on it. is it safe to drive until i can get it fixed ?

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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  • 142 Answers

SOURCE: Ford Focus Engine Light

Start by getting either a mechanic or someone with an OBDII scanner to read the code so you know where to start. Lots of time a loose gas cap will cause a "Evap system small leak" code which illuminates the check engine light for a while. Other than that I can't help you much without knowing what code comes up.

Posted on Aug 28, 2008

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justuscc
  • 360 Answers

SOURCE: Check engine light

turn the key on key off three times and the dash will give you a code. get me that code and ill tell you if its ok to drive

Posted on Sep 20, 2008

  • 199 Answers

SOURCE: codes #171 & 174

first check out for o2 sensor if its faulty this can show up.but if its proper.Evaporative emission control system leak very small 171 System too lean (bank 1) 174 System too lean (bank 2) 

Posted on Jan 05, 2009

bunnydawg
  • 5158 Answers

SOURCE: 2005 Ford Focus - Mistery Check Engine Light!

check the relays and see if there is one specific to the check engine circuit.... it's sticking on sometimes

Robert

Posted on Feb 24, 2009

misfitmaster
  • 35 Answers

SOURCE: Solution for the message "engine fail safe mode" in explorer 2005

I have hearing a lot of this lately with Fords. Most of the time this dash board light comes on due to problems with the Throttle Body (TB)not just your coolant,etc.. If it is sticking,dirty,causing misfires,etc. then this can cause an engine fail safe mode.You might first try putting in some injector cleaner and a higher grade of gas.Many people I know who have had this problem have had to have their TB cleaned and/or replaced. This is something Ford dealerships now about,but hasn't been made a recall or anything.There are service bulletins though.Mainly keeping cleaner in your gas and performing ritual tune-ups/oil changes may be the only thing you can do.Hope this helps

Posted on Apr 17, 2010

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My 05 ford focus Zx3 2.0L I went to smog for twice still don't passed the smog test the reader said cat is not ready evap is not ready 2 air is not ready what I have to do


Did you disconnect the battery recently? Or have the car worked on to correct a check engine light problem? And they reset the codes?

When this happens (loss of all power or code reset), the computer will run all its tests on all systems, and set a 'ready' condition when the tests are passed. Some tests require multiple 'drive cycles' or specific conditions (less than full tank of gas but more than 1/4 tank) to complete the test. Until all (or a specific number - some non-critical tests may be exempted) tests are 'ready', the car will not be passed. The assumption being that until a test is successfully completed, the computer may discover a problem with a system, one that would fail the smog test.

If you're confident that all problems have been fixed, you need to run through enough drive cycles so the computer can complete all required tests. Most ODBII code readers can also read the readiness of the systems. And most parts stores will read your codes for you (and system status) or let you borrow a reader.

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Check engine light would have nothing to do with this ! Check engine light is for engine codes ! there is a problem with the radio it self ! or SJB - smart junction box , ford's BCM - body control module . You should take it to a qualified repair shop . or ford dealer !

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Ford Focus - 2007 Zetec 1600 A high pitch whine is coming from the engine. Occurred yesterday after restarting the car started after a 10 mile drive ad being parked up for an hour in a multi storey car...


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1 Answer

Code p040


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What does it mean 'engine systems failure' on the dash, and how safe is it to use the car until i can afford to get to the dealers? 2006 ford focus trend


Hi, the car is going to run poorly and may leave you stranded. We recommend you get the car scanned at your local parts chain and send us the trouble code. It's possible the problem is something you can fix yourself, but we need the trouble code to advise you on the repairs.

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1 Answer

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You need to have your wheel bearings checked. I had to replace my on my 05 Focus. It could also be a bad tire that needs to be replace.

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