!!Flashing check engine light!!!!!????? - Page 2 - Ranger-Forums - The Ultimate Ford Ranger Resource


4.0L OHV & SOHC V6 Tech General discussion of 4.0L OHV and SOHC V6 Ford Ranger engines.

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  #26  
Old 05-02-2007
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whatever man.......that isn't any way turning the headlights on will do anything with the battery cable off......come on now......common sense comes in to play here......

doesn't matter, i use my X2 to read/clear my codes!
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  #27  
Old 05-02-2007
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I agree with Rich on this one. The faster the positive and negative equalize, the sooner the KAM voltage in the PCM will drop to zero. Turning on the headlight switch will provide a quicker path than with it off. The fastest is to touch the disconnected battery cables together - this should reduce the reset time to near zero.

How much time is required if you simply remove the negative cable and do nothing else? Ford says that disconnecting the negative cable for 5 minutes is adequate to reset the PCM, erasing KAM (Keep Alive Memory). This is actually a conservative value - the PCM will reset in considerably less than 5 minutes.

Last edited by V8 Level II; 05-04-2007 at 09:28 AM.
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  #28  
Old 05-02-2007
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Good info Bob! This little "tip" is something I've known (and done) for years. I could'nt technicaly explain why because I'm a dunce when it comes to electronic things. It's just one of those things I always knew to "work".

Now lets see if we can get Maurice to buy into replacing his blinker fluid. It makes the bulbs last longer ya know.

Rich
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  #29  
Old 05-02-2007
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Quote:
Originally Posted by wydopnthrtl
Now lets see if we can get Maurice to buy into replacing his blinker fluid. It makes the bulbs last longer ya know.

Rich
i am not that dumb.......i have just NEVER heard of turning on the light switch......
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  #30  
Old 05-02-2007
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Quote:
Originally Posted by lifted97ranger
i am not that dumb.......i have just NEVER heard of turning on the light switch......
LOL...LOL... I'm just having a little at your expense. No offence intended.

Rich
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  #31  
Old 05-04-2007
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now the light is back on. My truck is running beautiful too!!!! I can't stress that enough!!! But I guess I'll go to advance and see what damn code is being delivered..........sucks
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  #32  
Old 05-04-2007
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Quote:
Originally Posted by fletch12518
now the light is back on. My truck is running beautiful too!!!! I can't stress that enough!!! But I guess I'll go to advance and see what damn code is being delivered..........sucks
Make sure you record for yourself the actual code number(s) and then post them here before you buy anything.
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  #33  
Old 05-04-2007
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Quote:
Originally Posted by Rockledge
Make sure you record for yourself the actual code number(s) and then post them here before you buy anything.

Will do, I planned on it.
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  #34  
Old 05-05-2007
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i went to autozone and the trouble code they pulled is P1443. let me no asap thanks guys.
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  #35  
Old 05-05-2007
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Quote:
P1443 - EVAP Control System Canister Purge Valve (Mechanical) Malfunction. Monitors the fuel vapor flow between the engine intake manifold and the EVAP canister. The system failure occurs when a leak or blockage between the intake manifold, the EVAP canister purge valve and the EVAP canister is detected by the PCM.
That's a common one for 95~97 and is usually caused by a leaky evap hose or a bad Purge Flow Sensor.

http://autorepair.about.com/library/faqs/bl647f.htm
http://www.obdii.com/ubb/Forum1/HTML/002192.html
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  #36  
Old 05-07-2007
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Quote:
Originally Posted by rwenzing
That's a common one for 95~97 and is usually caused by a leaky evap hose or a bad Purge Flow Sensor.

http://autorepair.about.com/library/faqs/bl647f.htm
http://www.obdii.com/ubb/Forum1/HTML/002192.html
So should I replace both??? also pics or a good detailed description would be awsome on where this is located...........? Again Im more of a visual learner thantext reading. Im a dumby i know
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  #37  
Old 05-07-2007
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Try the Autozone website and check out the repair guides. They usually have decent visuals.
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  #38  
Old 05-07-2007
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ok thanks Joe.........
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  #39  
Old 05-07-2007
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Ok I went all over the site and can't find anything for "Evap Hose" or "Purge flow sensor"????????? It keeps bring me to mass air flow sensor..........
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  #40  
Old 05-07-2007
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This is from one of the links that I posted for you above. It seems clear to me. You'll need to verify that the 97 part number given for the assembly is the same for your 96.

Quote:
I did some research on the web and found that the problem could be the Canister Purge Assembly. This assembly connects the intake manifold to the charcoal canister and the assembly is made up of hoses, a valve and a sensor. On my 1997 Ranger, it is located near the front of the engine compartment on the driverís side (the canister is right behind the driverís side headlight). Apparently, if there are any cracks in the hoses, or if the valve or the sensor wears out, this will cause the check engine light to come on, and return the P1443 code. After looking around on the web for a couple of days, I was lucky enough to find a few part numbers for the canister purge solenoid/flow sensor assemblies:

F57Z-9C987-AB Canister Purge Solenoid/Flow Sensor
Assembly - 2.3L

F57Z-9C987-CA Canister Purge Solenoid/Flow Sensor
Assembly - 3.0L

F57Z-9C987-BA Canister Purge Solenoid/Flow Sensor
Assembly - 4.0L
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  #41  
Old 05-07-2007
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Ok, May next question Bob, I sthis something I can do myself??? I am mechanically inclined. also beings I Have the last choice (F57Z-9C987-BA Canister Purge Solenoid/Flow Sensor
Assembly - 4.0L) Thats the part I need to look for and pick up correct?
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  #42  
Old 05-07-2007
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wow....i don't think my truck has that canister behind the drivers headlight......as a matter of fact, i know it isnt there unless it is the size of a inline fuse and i missed it...
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  #43  
Old 05-07-2007
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Quote:
Originally Posted by lifted97ranger
wow....i don't think my truck has that canister behind the drivers headlight......as a matter of fact, i know it isnt there unless it is the size of a inline fuse and i missed it...
Well I found thid Maurice.................Know I'm getting confused here:

Quote:
Originally Posted by monkey-1
I think I found it, but I cant be sure yet. I got home late and I didnt have time to run down and grab my multimeter. This is the only thing I can see that it might be. It has three wires and a hose going to it, but is on the exact wrong corner of the engine compartment. Its on the passenger side of the engine near the firewall. Is this it (click for larger pic):




**EDIT**
I finally found a picture:

Its called a CANISTER PURGE VALVE and is $26.67. Is this the right thing??

I also found this on the same site:

Its called a CANISTER PURGE SOLENOID and its $33.35.

link is found here:
https://www.ranger-forums.com/forum2...ighlight=P1443
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  #44  
Old 05-07-2007
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The evap system on my truck is different from yours so I don't have anything to look at here. It should be a very easy swap out though - a couple of hoses, electrical plugs, maybe a bolt or two. The Purge Flow Sensor is the part that usually fails but it comes as part of the assembly.

Before ordering the assembly, I would look around for any damaged hoses at the canister or tank first because it is possible to get the same P1443 code from a leak. If you find a leak and fix it, it could save you some bucks.
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  #45  
Old 05-07-2007
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huh.....
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  #46  
Old 05-07-2007
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Quote:
Originally Posted by rwenzing
I would look around for any damaged hoses at the canister or tank first because it is possible to get the same P1443 code from a leak. If you find a leak and fix it, it could save you some bucks.

Tank meaning gas tank? And where is the so called canister located?
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  #47  
Old 05-07-2007
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Yes, the fuel tank.

The canister is in the front corner of the engine bay on the driver side. For 97-back, I believe it is a black rectangular plastic box and may have a domed cap or two on top.
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  #48  
Old 05-07-2007
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It's not bad to drive it around untill I get it fixed is it? This is my DD and don't have anything else to drive........?
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  #49  
Old 05-07-2007
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i would say, call the dealership and telling them the code your truck threw, they may be able to tell u something that someone here is missing..
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  #50  
Old 05-07-2007
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It would be nice to know which engine we are talking about.
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