Question about 2005 Ford Taurus SE

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Getting codes pP0306 and P0316 in 2005 Ford Taurus.

I had the spark plug and wire replaced and car ran fine for one day. Next day engine light came on and had coil replaced. Ran fine for one night then engine light came on again with same codes. Had codes cleared and light came back on with same codes. What do I do?

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

emissionwiz
  • 75822 Answers

SOURCE: 2002 Ford Taurus ses 24v DOHC

Sounds like when you ran the car out of gas the fuel pump was damaged, these in tank electric fuel pumps are very small and produce allot pressure and volume, the way they do this is to use the gas around them to cool down, when the pump comes out of fuel when the tank is below 1/4 full it starts to get hot very quickly, since your pump was well used (109000 miles) that was the last straw. When you replace the pump also replace the fuel filter.
I would also clean the throttle valve and idle speed control valve, this may be contributing to the low idle complaint, clear the system after the pump and cleaning by disconnecting the battery for a few moments.

Posted on Sep 09, 2008

  • 57 Answers

SOURCE: My 2002 Ford Taurus will shutter and die when

the idle air control valve is responsible for engine idle.
this is a common failure on ford's. but I don't think yours is bad because it does idle high befor it dies.
you stated you had codes p0171 and p0174 these are lean codes for bank one and two, you said you found a vacuum leak and repaired it, the vacuum leak was mostly likely the cause of the lean codes, however the pcm has calibrated the fueling stategy for this lean mixture, what you need to do is erase the KAM "keep alive memory" this is done by unhooking the negative battery cable for 60 seconds, this is the only way to erase the KAM the $6000.00 machine I use wont even do it.

once the KAM is clean the computer will go into a relearn state and all operating values will be adjusted for the vehicles current condition, during this relearn session the vehicle may have some driveability issues (low or high idle, stalling, poor fuel economy) the relearn should complete within 10 minutes of idling and then 10 minutes of driving.

good luck and keep me updated

wesleyschacht@hotmail.com

Posted on Jun 14, 2009

  • 52 Answers

SOURCE: 2001 focus. Replaced plugs, wires and coil pack.

Have you replaced the timing belt? if not i would highly recommend doing so. these cars need to have the timing belt replaced before it breaks otherwise it can and will cause major engine damage.

Posted on Aug 11, 2009

  • 1374 Answers

SOURCE: car bogs down after getting hot, service engine

Have the following tests performed : fuel system pressure test cylinder balance test as well as a injector balance test. Preferable an ASE Certified Tech will do the testing.Depending on what he/she says wel'll take it from there. Gotta know why its misfiring before we do anything else. Cat and 02 sensor respond to engine's combustion process
exhaust product.Lets see what the testing says.
Keep me posted

Posted on Mar 29, 2010

  • 38 Answers

SOURCE: Engine misfire on 2003 FordTaurus

Sea foam the vacuum system vacuum in about 10oz seafoam using the brake booster line has larger hose to pour slowly into. Then shut car off for 20 minutes. Then restart under hood hold throttle steady at about 2500rpms look for smoke along the firewall if so u have a vacuum leak that's causing this phenomenon. Intake to the cylinder that is miss firing ad a vac leak. Even a small leak will throw off the crank position sensor every so often especially on cold damp mornings or very humid weather.

Posted on May 14, 2013

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Having codes P0306 and P0316 show up for 2005 Ford Taurus


Well code 306 is for a miss on cylinder six and code 316 is for a miss detected on startup, which you probably already know.
Since I assume you have replaced the ignition parts for that cylinder,
the next component to check is the injector. You may want to check fuel pressure too.

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You have a misfire on #3 for code p0303 & misfire for code p0316

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The flashing service engine light indicates a misfire. You probably need a tune up. Replace the spark plugs and plug wires. That should be done every sixty thousand miles. The fuel filter should be replaced every two years. Get the engine computer scanned for free at Auto Zone and post the codes here for more help.

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1 Answer

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Hello you say no spark again well in the past i have replaced coils on Fords same day the coil pack quit!.So perhaps return it as a faulty pack.Manufactures still makeing defective parts!.Also if you have service engine light on you should have a OBD 2 scan to retreve any electrical faults might be.

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1 Answer

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Your distruber cap may need to be replace or re-aligned if your not getting spark. I would have someone check for spark. All this takes is a muti-meter or removing one spark plug and then plug back in and place the other end of plug to the engin to ground it. Then while trying to start have someone look at the plug to see if it sparks!
Good Luck!
Hope this helps!!

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