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02-05-2011, 02:43 PM
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RangerRoy
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Join Date: Jan 2011
Posts: 7
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Flashing Check Engine Light
I had a check engine light on went to Auto Zone and the code said that #5 cylinder was miss firing so I changed out the spark plugs and wires now I have a flashing check engine light what needs to be done next the guy at Auto Zone said it may be the pack? Any help would be a great help
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02-05-2011, 02:51 PM
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Roll Tide
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Join Date: Jun 2010
Posts: 732
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Re: Flashing Check Engine Light
You should have it fixed after your done with the coil packs.
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20O3 extended cab, 2wd, silver, 3.0, toyo spectrum tires, 10,000k HID's, 8' in bazooka tube, and UWS toolbox
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02-05-2011, 02:58 PM
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On my 3rd Ranger
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Join Date: Apr 2010
Posts: 1,398
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Re: Flashing Check Engine Light
Quote:
Originally Posted by southbama man
You should have it fixed after your done with the coil packs.
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Pack, not packs 3.0, 4.0 & Duratec 2.3's have one pack, 2.3/2.5 Limas and V8's have 2.
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1987 2.3/TK5, 125K.
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02-05-2011, 03:13 PM
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Roll Tide
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Join Date: Jun 2010
Posts: 732
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Re: Flashing Check Engine Light
Typing mistake. Whoops I can't believe I didn't catch that.
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20O3 extended cab, 2wd, silver, 3.0, toyo spectrum tires, 10,000k HID's, 8' in bazooka tube, and UWS toolbox
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02-05-2011, 03:13 PM
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Get off my lawn
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Join Date: Apr 2010
Posts: 1,059
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Re: Flashing Check Engine Light
Rule number one: Scanners help diagnose problems but the guy plugging it in and pushing the enter button is not necessarily a mechanic.
Since it's specific to a cylinder his next suggestion should have been to check that plug and wire and compression test or to have your fuel injectors tested/cleaned.
Rule number 2: I'm not a mechanic either.
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08 4.0 Sport 4x4
Stock
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02-05-2011, 03:18 PM
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Roll Tide
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Join Date: Jun 2010
Posts: 732
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Re: Flashing Check Engine Light
^LOL Very honest.
I'm not a mechanic either since we are having confessions lol.
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20O3 extended cab, 2wd, silver, 3.0, toyo spectrum tires, 10,000k HID's, 8' in bazooka tube, and UWS toolbox
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02-05-2011, 04:16 PM
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On my 3rd Ranger
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Join Date: Apr 2010
Posts: 1,398
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Re: Flashing Check Engine Light
I just noticed this is in the ext. tech section and the OP doesn't say which engine he has. If I were to guess, I'd say the 3.0 since they seem to be prone to misfire problems. BTW I had a misfire on #6 on my Taurus 2 years ago, I drove it around too much like that and ruined the cats, I'd get the misfire checked out ASAP as it will ruin your cats and they are NOT cheap!!
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1987 2.3/TK5, 125K.
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02-07-2011, 09:03 AM
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RangerRoy
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Join Date: Jan 2011
Posts: 7
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Re: Flashing Check Engine Light
2001 Ford Ranger XL 6 cy 3.0 Flex fuel Changed spark plugs gaped at .044 new spark plug wires new coil pack new fuel filter. Was running missing a little Auto Zone code said it was #5 miss firing after changing plugs and wires still missing put in new coil pack still missing (check engine light on and then flashing) went to Auto Zone code said #2,4 and 5 miss firing made sure wires were correct they were not (found several different kinds of firing orders for the truck) after doing all of this it still does not start now at all. Auto Zone shows no codes at all every this show ok on the scanner. Any ideas what to do next.
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02-07-2011, 09:40 AM
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Ford Ranger Owner
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Join Date: Dec 2010
Posts: 59
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Re: Flashing Check Engine Light
Yikes! umm call a Ford mechanic.
Also not a mechanic, I'm a pastry chef we fix things with butter and sugar
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1998 Black Ford Ranger XLT SuperCab 3.0 Vulcan.
Moded with dings, scratchs, scrapes,and a tiny pinch of rust
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02-07-2011, 12:13 PM
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Sideways? Sideways.
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Join Date: Jun 2010
Posts: 1,592
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Re: Flashing Check Engine Light
CEL flashing is a cataylst damaging misfire. Meaning fuel is getting into the engine but no spark. Check secondary (spark plug, wire, coil) and primary (wiring to ECU). If you have a no start, check compression (does crank sound normal?) and make sure your firing order is 100% correct.
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-Alex
'10 Ranger XL 2.3L Manual
Mods: Stereo, Tint, Weatherguard rain shields, Intake silencer removal, LED brake, turn signal, reverse, license plate, and dome lights, DDM HID's (currently removed), lowered, 17" wheels with spacers, Explorer autodim mirror with Autolamps, Magnaflow exhaust, Buggman LED 3rd Brake Light...
Quote:
Originally Posted by ColinS
awe come on alex be a man!
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02-07-2011, 03:14 PM
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Keep It Simple Stupid
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Join Date: Dec 2010
Posts: 311
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Re: Flashing Check Engine Light
Sounds like you have the plug wires wrong. Double check with your manual. If I get home before this is resolved I will post it up for you.
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02-07-2011, 06:35 PM
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RangerRoy
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Join Date: Jan 2011
Posts: 7
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Re: Flashing Check Engine Light
still have the problem have changed the fuel filter put in the correct fuel filter, the gas pressure is 58 psi while trying to start the truck it should be 60 to 65 psi. the cracking does sound normal but will not start
The firing order I'm using is
coil pack
3-4
2-6
1-5
front of truck
Engine
3-6
2-5
1-4
front of truck
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02-07-2011, 06:43 PM
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Sideways? Sideways.
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Join Date: Jun 2010
Posts: 1,592
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Re: Flashing Check Engine Light
it will still start with 58 psi.
id check the firing order. im not sure about your truck, but typically plug #'s are stamped/ printed on coil packs, or on an underhood sticker.
__________________
-Alex
'10 Ranger XL 2.3L Manual
Mods: Stereo, Tint, Weatherguard rain shields, Intake silencer removal, LED brake, turn signal, reverse, license plate, and dome lights, DDM HID's (currently removed), lowered, 17" wheels with spacers, Explorer autodim mirror with Autolamps, Magnaflow exhaust, Buggman LED 3rd Brake Light...
Quote:
Originally Posted by ColinS
awe come on alex be a man!
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02-08-2011, 07:56 AM
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Keep It Simple Stupid
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Join Date: Dec 2010
Posts: 311
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Re: Flashing Check Engine Light
That should be the correct firing order.
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