doing engine tune up on '01 4.0 sohc - 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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Old 06-09-2009
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doing engine tune up on '01 4.0 sohc

ive searched and idk why, but no matter what i search for it usually never shows what i searched for. lol. but anyways. im getting ready to do all kinds of tune ups and part changes. after vacation im gettin shocks, UCAs, inner/outter TREs, and possibly brakes. but, i need to do the engine tune as well. ik i need spark plugs, wires, change diff oil, and change tranny oil. but what else should i do? i did oil change 600 miles ago as well. i was reading on hear about the scremin deamon coil pack, is it worth getting? what plugs/wires do yall reccomend, i was looking aftermarket for wires and i read the rangers are finicky w/ plugs so stock motorcraft is best.
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Old 06-09-2009
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Stock plugs and wires will be fine. I say don't waste the money on the SD pack unless you are going with forced induction or the pack you have now is bad. If you want a better plug you can use Denso Iridium plugs but they will cost you. Bosch platinum 4 plugs are crap.

How many miles? I'd say do the fuel filter as well depending on the miles.
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Old 06-09-2009
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Old 06-09-2009
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Change the fuel filter if it has never been done. And before anyone says you need special tools, you don't need them. Push the fitting into the filter, push the colored tab and tug. If they are stubborn use penetrating lube.<----HAHA. I said penetrating lube.

Last edited by whippersnapper02; 06-09-2009 at 07:25 PM.
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Old 06-09-2009
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lol. factory fuel filter?
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Old 06-10-2009
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Quote:
Originally Posted by fddriver02 View Post
Stock plugs and wires will be fine. I say don't waste the money on the SD pack unless you are going with forced induction or the pack you have now is bad. If you want a better plug you can use Denso Iridium plugs but they will cost you. Bosch platinum 4 plugs are crap.

How many miles? I'd say do the fuel filter as well depending on the miles.

No kidding, i BLEW one of the bosch plugs clean out the engine....dont get them
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Old 06-10-2009
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ok, i think i read that somewhere on here as well. lol. so motorcraft plugs. what would be a good set of wires? im wantin aftermarket. and what bout fuel filter?
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Old 06-10-2009
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Stick with motocraft plugs and dont buy a scremin demon coil pack its not worth it.

X3 on bosch plugs being garbage mine crapped out on me after 5k miles
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Old 06-10-2009
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Motocraft wires also.
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Old 06-10-2009
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whats wrong w/ the SD coil? dont you have one mudranger? and why the motorcraft wires? i was wantin to add some color under the hood lol
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Old 06-10-2009
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Nothings wrong with it. But I personally dont think its worth it since I didnt notice any significant gain from it
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Old 06-10-2009
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Why do you need the SD pack? You have a stock engine. It won't do you any good to get one. Its not a bad pack we are just saying you don't need it. Same with the aftermarket wires. You don't need them.
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Old 06-10-2009
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Run the stock coil pack unless yours is messed up. Also run the Motorcraft/Autolite Platinums. I got my wires from Underdog-Performance, The Art of Power and they worked great while adding some color to the engine bay.
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Old 06-10-2009
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I just recently changed my plugs with NGK Iridium's. They actuallly made quite a bit of difference, engine seems to run way smoother and idle much better and seems to have picked up a little bit of power and mileage. But my old plugs were toast so I cant really compare them to the performance of stock plugs. But I am happy with them! And if you havnt figured this out already, when you change your plugs pull off your wheel's and wheel liners and get at them from inside the wheel well, I think its the only sensible way to access the rear passanger side plugs.
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Old 06-10-2009
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The BL makes changing plugs sooooooooooooooo much easier
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Old 06-10-2009
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thats good to hear bout the BL. i looked at those from underdog but wasnt sure if they were good or not. i thought NGKs made our trucks run crappy...
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  #17  
Old 04-14-2010
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so ive seen alot of adds for these new e3 spark plugs, are the any good or just another stupid cash grab
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  #18  
Old 04-29-2010
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Bump.... I'm also curious about the E3's seem to get 50/50 reviews.
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  #19  
Old 04-30-2010
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stick with motorcraft parts...i wouldnt go messin with your trucks ignition system
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Old 05-01-2010
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sounds good to me ill stick with what works
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Old 05-09-2010
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they did a test on i wanna say horsepower tv they got slightly better gas milage lil and a very slight hp increase on the test engine
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Old 05-09-2010
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ya i saw that episode and i wanted to get them for my civic before, i was doing anything i could for gas mileage at the time but now i was just looking at them now that they have them in canada but i think for the price im just gunna stick with my motorcraft for the gains that i probably wont get lol
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