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

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Old 04-12-2010
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check engine

Searched but couldnt find (i know its up here somewhere). I just got a check engine light when i cranked up to leave work. Im at 63k miles right now. Truck runs fine, but i dont know much about engines. I read somewhere that you can dissconnect the battery for a few minutes to clear the light. I just re-did my exhaust last week and got a body lift. Should i dissconnect the batt.? I dont want to clear the light if there is really something wrong. Thanks.
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Old 04-12-2010
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take it to an autozone or advanced auto and have them pull the codes, they will do it for free than we can help you figure out why the light came on.
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Old 04-12-2010
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Yeah, get it checked, and yes, you can disconnect the batter for I believe ten seconds and that will clear it.
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Old 04-12-2010
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Originally Posted by David N View Post
Yeah, get it checked, and yes, you can disconnect the batter for I believe ten seconds and that will clear it.
just dont clear it before they read the codes.
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Old 04-12-2010
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Yes of course. But on another note, if it is something serious, it will come back. But you should get it checked. And if you have the extra cash, Im sure you can buy a fairly cheap OBD II reader from Wal Mart or something.
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Old 04-12-2010
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ok sweet. Ill try to make it tomorrow after work. Wont unhook batt until after codes. Thanks guys.
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Old 04-12-2010
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Yes of course. But on another note, if it is something serious, it will come back. But you should get it checked. And if you have the extra cash, Im sure you can buy a fairly cheap OBD II reader from Wal Mart or something.
OBD II reader you say? Cool beans.
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Old 04-13-2010
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ok checked and guy said it was evaporation codes. P0456 and P0442. We reset computer and light whent bye bye. hasnt been back on, so cool.
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Old 04-14-2010
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URG..light back on going home from work. Should i get a new gas cap? The guys who did the body lift rigged up the gas hose going into the tank. I can look and see rubber hose slid over the metal hose and clamped down. What should i do?
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Old 04-14-2010
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OBD II reader you say? Cool beans.
Well whatever the hell they are called. Thats just what popped in my head when I thought about the one we have. Don't be a smartazz now.........

And as far as the cap, I dont know why you would? I never redid mine. We just let it hang out. The stock hose is fine with a bodylift.
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Old 04-14-2010
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Well whatever the hell they are called. Thats just what popped in my head when I thought about the one we have. Don't be a smartazz now.........

And as far as the cap, I dont know why you would? I never redid mine. We just let it hang out. The stock hose is fine with a bodylift.
Naw haha wasnt trying to be smart, i just didnt know what they were called.
Well what could i do to get my truck to stop throwing these evap codes?
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Old 04-14-2010
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Next time you get gas, check where they extended the hose...see if there is any gas at all. Mine (even though I've probably installed hundreds upon hundreds of hoses onto radiators, etc) had some slight dampness.

And if dampness can get out, that means that the air pressure can too...so it is kind of similar to a leaking gas cap.

--

I took mine back apart and lubed the insert up with tranny fluid and made sure I got a good inch or two in on each side then I reclamped.

--

I'd be willing to bet that's your problem.

Although, there is an evap line that runs up the front frame rail near the ABS hoses that could get stretch or kinked/broken or something if someone's not really careful...but I doubt that.
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