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Rough idle / FLASHING check engine light?!? PLEASE HELP

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Old 04-04-2005, 09:53 PM   #1
Hpnotiq
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Rough idle / FLASHING check engine light?!? PLEASE HELP

**** sorry for the long story, just want to give as much detail is possible, thank you ****

Hey i have a 99 explorer and this morning i work up and my car was idling and running REALLY rough (prior to this i have had the check engine light on as long as i could rememer... code said my car is running 2 rich or sumthing, never got the time to check it out and recently it sounds like a small hole has developed on my headers) So i wake up go 2 turn the car on and like i said its running really rough. Drove away and at like 2000-2500 rpm the engine sputters alot, after that it runs really sluggish and with lots of noise coming from the engine (the hole in the header sound got ALOT louder and the engine sounds like its sputtering just not as much) and i could also smell fuel. while driving to work i try and see if i can accletate the car hard to see what would happen and my check engine light started flashing for the first time. when i got 2 my job i checked out the engine to see if i could see anything and i realized that a black rubber jose has come off on the right side of the engine (dont know what it does but its a short line, there are 2 of them that run from a black small plastic sensor looking thing to a small metal pipe where the 2 hoses go, looks like a fuel line i guess) i put that hose back on and drove the car around, still sputters just not as much and the car is VERY sluggish when u step on it (its sounds like its being restricted) plleeaasssee help im lost as to what it could be... i know nothing about cars but its sounds like a spark plug / spark plug wire falfunction.
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Old 04-04-2005, 10:00 PM   #2
section525
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That's what I was going to say. Sounds like a plug or wire is bad. Maybe even a coil pack. Is this a V6 or V8?




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Old 04-04-2005, 10:55 PM   #3
Hpnotiq
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v6
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Old 04-05-2005, 12:55 AM   #4
monkeydude3
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which v6? OHV or OHC?




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Old 04-05-2005, 01:06 AM   #5
Hpnotiq
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dont exactly know i think its the worst of the 2
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Old 04-05-2005, 01:28 AM   #6
snoborder42
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it could be a bunch of things, i am leaning towards a bad oxygen sensor especially if you are getting error codes that said it was running rich. Could also be plugs and wires too like section525 said.




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Old 04-05-2005, 01:32 AM   #7
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My check engine light just came on. It ended up being plugs 5,6,7 & 8 were nearly blown out of the head. Too much hot-roddin'. Check to make sure all the plugs are in tight and that all the wires are securely on the plugs. It could be an easy, cheap fix. Or, it could be an o2 sensor. Had that happen too. :p




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Old 04-05-2005, 03:50 PM   #8
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The hose that was disconnected sounds like the DPFE and EGR hose. If you are having trouble with the DPFE your truck will run like S**t. Run search for DPFE....




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Old 04-05-2005, 04:03 PM   #9
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If I remember correctly, my owner's manual states that a flashing check engine light is caused by an engine misfire, potentially resulting in excessive exhaust temperature. I recommend changing all of the spark plugs and wires to see if that solves the problem. It could be something as simple as a plug wire touching the exhaust manifold and burned through. Good luck.




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Old 04-05-2005, 04:43 PM   #10
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The only time I've seen a check engine light flash is for a misfire code. Get the codes pulled ASAP..........
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Old 04-06-2005, 12:02 PM   #11
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i got it fixed thanx, it was a combo of the bad hose and a spark plug that had about a 1/4 inch gap between the to parts that spark (dunno exactly wut they are called) its running ALOT better and best of all, for the first time, i dont have a check engine light on =P thanx everybody
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Old 04-06-2005, 06:39 PM   #12
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Quote:
Originally Posted by JL 3x12 Xplorer
The only time I've seen a check engine light flash is for a misfire code. Get the codes pulled ASAP..........
A flashing check engine light means that there is a misfire that has the potential to cause raw fuel to enter the convertors causing them to fail. In most cases you can drive with a check engine light on solid, but disregarding a flashing one can cost lots of money down the road.




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Old 04-06-2005, 08:45 PM   #13
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thanx, ok so now everything is good..... but today i just noticed my 4x4 hi and 4x4 low lights flash on the dash... anybody know wuts up with that? (i know that if the switched isent plugged in that it will do that... the switch is plugged in)
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Old 04-06-2005, 09:52 PM   #14
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Originally Posted by Hpnotiq
thanx, ok so now everything is good..... but today i just noticed my 4x4 hi and 4x4 low lights flash on the dash... anybody know wuts up with that? (i know that if the switched isent plugged in that it will do that... the switch is plugged in)
try the search option first you will get lots of ideas and fixes...take the time to SEARCH...good luck




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Old 04-07-2005, 12:16 AM   #15
Hpnotiq
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Or u cant just not b a dick since we were already on the topic and help me out, thanx
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Old 04-21-2005, 11:45 AM   #16
tmh6202
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Originally Posted by Hpnotiq
Or u cant just not b a dick since we were already on the topic and help me out, thanx
Dude,

It is way uncool to dis someone trying to help you out. If you are like that, good luck getting help from anyone on this board.
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Old 04-21-2005, 11:28 PM   #17
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Can any one help me? problem with under hood light, tach, idiot lights and 4x4 buttons dont work either just bought it cant tell if they ever worked
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Old 04-21-2005, 11:36 PM   #18
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Can any one help me? problem with under hood light, tach, idiot lights and 4x4 buttons dont work either just bought it cant tell if they ever worked fuses ok nothing lights with key on key switch seem a little loose alarm stays on after keys removed and lights are off............
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Old 04-21-2005, 11:57 PM   #19
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maybe your guage cluster isn't plugged in?? Does the cluster light up when you turn on the headlights? If it does, then scrap my idea...




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