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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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  #1  
Old 01-23-2006
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Tune-Up?

I have never done a tune up on a newer vehicle. What is usually done and at what intervals? I am guessing plugs, wires, and obviously oil are a big thing but what else?

I am kinda thinking that it may have something to do with my problems here

I bought my truck with about 88,000 miles on it so I don't know what was done by previous owner (I know that the dealer didn't do anything to it).
-Josh
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Old 01-23-2006
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tranny fluid, air cleaner, fuel filter.
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Old 01-23-2006
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Well oil is done, air filter is done, just got finished gapping the plugs (waiting for the enginr to cool off), those other two will have to wait until I get back from my trip next week. Is their any way to tell if the tranny fluid, and fuel filter need to be changed without draining/destroying them. The tranny fluid may have to wait for a while, my dad seems to think that it will last alot longer than 100,000 miles as he has never changed the fluid in any that he has ever had. I will most likely do it before years end but I really don't have time to get that done right now. Especially since my other truck is under the weather right now (dead battrey), and I can't take off any more time this week.
-Josh
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Old 01-23-2006
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wow, you def need to do the trans fluid AT LEAST every 35k miles, i do mine at 25k.

as far as thre rest of your parts, for a full tune up i would include o2 sensors, clean the TB, MAF, IAC, TPS, and change out the wires
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Old 01-23-2006
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I most likely will have the transmission fluid done before long I can't have the truck unavilable right now. I don't put many miles on the truck per month anyway. For all I know the fluid has been changed in the last 35K. I'll check into prices after this weekend.

As of 6:30 the plugs were changed it was easier than I thaught it would have ben, while still being a pita. Wires still look new and rubber feels good.

O2 sensors I may go ahead and do since I'm prety sure that they may have 100k on them.

Quote:
Originally Posted by SoundPer4mance
clean the TB, MAF, IAC, TPS
How do you do this? Link to tech article, how-to, or write up would be nice. How long does it take to clean these items? Wandering if I have time to do it in a few hours after I come home from work, and be ready to drive it at 5:00 the next morning.
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Old 01-23-2006
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it can def be done in an hour or so, if you know what parts im referring to, you simply use throttle body cleaner on them. they get very gummed up after a while and cleaning them will help your engine a lot.

if youd like me to do a quick how to, i can, but right now imheading to bed, haha
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Old 01-23-2006
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Don't worry about I found some info on the MAF it was the one I was real worried about. The TPS where exactly is that located and how do I clean it? Or is it an R&R item?
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Old 01-23-2006
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for the MAF remove MAF from truck, remove sensor from MAF thoroughly spray down sensor with non-residue cleaner (ie: TB cleaner, Electrical contact leaner). Bout the same with the TB, and IAC. Real question what gaskets am I gonna need to replace if I do all of this? I want to have them on hand to install when I am putting everything back together. Obviously I'll need one for the TB, will I need one for the MAF Sensor if I remove it from the MAF meter, how about the IAC ot TPS?
-Josh
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Old 01-24-2006
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I'd also change the front and rear diff, and transfer case
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Old 01-24-2006
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no gaskets needed
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Old 01-24-2006
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Well I alredy bought the O'ring for the TB so if it isn't to much trouble to remove it'll get a new one.

How do I clean the TPS? Is that the component that is supposed to adjust the system to your driving style?

Please tell doug that I am sorry for bothering him with that problem with my tuner. If you haven't alredy put it together I am the Turk71385 that has ben bugging you on AIM. Problem was on my end after all. Burn't plugs = bad fuel burn = O2 sensors go crazy = CEL.
-Josh
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Old 01-24-2006
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josh doug said it was no problem he is taking care of it. you shouldnt have to remove the TB to clean it. the TPS is the throttle position sensor, it will be in line with the shaft for the butterfly plate in the TB
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Old 01-25-2006
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Where are each of these parts located? I know the MAF, but how about the other parts? Do you take anything out of the MAF to clean it, if anything? I know the MAF is a delicate material.
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Old 01-25-2006
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Some info: CRC has a new Mass Air-Flow cleaner. Safe for plastics too. It's brand spanking new.
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Old 01-29-2006
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Take back my last statement! A little less than 100 miles into my trip the same codes were thrown, I cleared them and they came back a little over 100 miles later. For my return trip I returned the programming to stock and drove the 100 miles back home the codes never reapeared when in the stock program. Sorry Bob it looks to me like the problem is on your and Doug's end.

Just a rundown of what I have done. Cleaned MAF, TB. Replaced plugs, and both foward O2 sensors. I was able to clean the TB easier with it removed so I removed it. Is the TPS supposed to be removed to clean? I couldn't remove it.

On a side note I regained some millage with stock, now back up to 18 mpg highway. Unfortunatley I lost a little with the tuner, 16 mpg highway. I think that it may be associated with what ever is causing the codes.
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Old 02-07-2006
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Update: Doug sent me new tunes for my X2 last week. I am getting close to the 100 mile mark so I'll let yall know if everything is still good.

Update 2: 120 miles after new tunes and no CEL. I appear have gained a little milage to, but haven't checked it yet. I think it's been Bamafied.

Last edited by JoshT; 02-08-2006 at 04:52 PM.
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  #17  
Old 02-09-2006
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Well Folks it looks like I'm offically Bamafied. Hit 150 miles since the new tunes and haven't had any problems. I'm happy, their happy I'm no longer bugging them. Now I guess I need to change my sig to reflect changes.
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