Question about 2005 Ford Ranger

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What does a flashing check engine light mean on my 2004 ford ranger

Has miss fire and a flashing check engine light

Posted by Anonymous on


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  • Ford Master
  • 21,873 Answers

The problem is serious enough to damage the catalytic converter when the light is flashing.
If you have the engine computer scanned for trouble codes you will have important info to diagnose the problem.

Posted on Sep 05, 2014


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6ya staff

  • 2 Answers


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Posted on Jan 02, 2017


Clint Smock

  • 4669 Answers

SOURCE: 2006 Ford mustang check engine light come on

You need to have it scanned to see what code turned on the light. Check your gas cap, make sure it is tight.

Posted on Feb 27, 2009

SOURCE: Check engine light is on. EVAP small leak

You need to check the purge and vent solenoids for proper operation. You need to check the pressure sensor for out of range ( defective ). You need to check the filler neck for cracks and make sure the clamps are tight. You need to check the vapor lines for loose fit. I've seen at the charcoal cannister where the lines connect it may not be on strait. A smok test will reveal this if its not sealing. You may have a leaking rollover valve or fuel pump seal on top of the tank. You may just have a vacuum leak under the hood, These trucks have an Evap management valve also that can be leaking or out of specs. Look on the emmisions lable or vacuum chart under the hood. This will show you the underhood components.

Posted on Jul 15, 2009


michael schultz

  • 1068 Answers

SOURCE: 2004 ford ranger edge has blinking check engine

have the crank sensor check for erratic operation. if you have done all of that then there is nothing else. and they way the computer knows it is misfiring (if it is) false code maybe and could be bad crank sensor. good luck

Posted on Oct 25, 2009

Titilayo Sodipe

  • 1428 Answers

SOURCE: my check engine light came on 2004 ford taurus had

P174 means Oxygen sensor was slow in switching Single, Right or Rear HO2S - Fuel control

P171 means Oxygen sensor not switching - system was at adaptive limits - Single, Right or Rear HO2S - Fuel control

for a comprehensive code listing for your car.

Please rate this solution.

Thanks for using Fixya!

Posted on Jan 08, 2010

Patrick Rayome

  • 1757 Answers


For the 3.0L
Firing Order:

(back of vehicle)
(front of vehicle)

Ignition Coil:
(back of vehicle)
(front of vehicle)

Posted on Feb 25, 2010

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