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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 03-04-2007
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Tune Up Woes......

ok, i just did a 3 hour trip 1 way this past weekend and got 13.1 mpg highway. im about to do my plugs and wires, and its about time for an oil change. what else am i missing. it needs a tune up because the previous owner neglected the hell out of it. thanks guys.
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Old 03-04-2007
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air filter, fuel filter, seafoam??
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Old 03-04-2007
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Yesterday I did this.

Seafoam, plugs, wires, air filter, fuel filter, serpentine belt, transmisson transfer case fluid drain and fill.
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Old 03-04-2007
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You are pretty high in miles, coolant?
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Old 03-04-2007
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Quote:
Originally Posted by 04lvl2
Yesterday I did this.

Seafoam, plugs, wires, air filter, fuel filter, serpentine belt, transmisson transfer case fluid drain and fill.
How much carbon was expelled after the seafoam?

Do you think its running any better after all this?
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Old 03-04-2007
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most definately an air filter....and fuel filter....

i need to drain my tranny again and put a new filter in it....
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Old 03-06-2007
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seafoam????? what's that???
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Old 03-06-2007
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Quote:
Originally Posted by 04lvl2
Yesterday I did this.

Seafoam, plugs, wires, air filter, fuel filter, serpentine belt, transmisson transfer case fluid drain and fill.
Did you notice any differences???
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Old 03-06-2007
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yea i took a 3 hour tour my self this past weekend and got 16 miles to the gallon....i used to get around 19 or 20.....Yea whats this seafoam stuff?...i think its about time for a turn up on my truck here soon too....but i have been waiting for the weather to break and get worm out...
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Old 03-06-2007
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guys you have to realize that with winter gas you WILL get worse mpg than you do in the spring, summer, and fall..........
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Old 03-06-2007
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Quote:
Originally Posted by TrailRateThisFx4
yea i took a 3 hour tour my self this past weekend...
What are you gonna tell us next? You were stranded on a desert isle with mary anne and ginger?
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Old 03-06-2007
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haha.....never noticed that. I'd like to be stuck on an isl with maryanne and ginger.....who wouldn't?
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Old 03-06-2007
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well it was a three hour drive that turned into 5 hours due to how bad it was snowing....i drove 150 miles in 4 wheel drive.....it was crazy!
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Old 03-06-2007
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There is some difference in power, but i also did so much other stuff its hard to tell. There was dome definite smoke from the exhaust after I did it.
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Old 03-06-2007
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When I did it, I didn't get anything, I was mad. I wanted to drive around town & **** ppl off. lol

Bill, what did you put the sea foam in? Pic?

That's weird that you got that low of mpg, I filled up today w. 16.2 all city driving. I'll tell you hwy driving this weekend.

Brenton
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Old 03-06-2007
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i removed the brake booster vacuum line, removed the vacuum check valve aka the 90 fitting and then started the engine. Let it suck in a little less than half the can.
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  #17  
Old 03-06-2007
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i did that seafoam treatment earlier,with the help of daniel (5speedin2.3), just like bill descibed above and it sucked the whole bottle up. needless to say, there was a whole lot of smoke. dunno how it took the whole bottle cuz daniel was holding it while i played with the thottle to keep it running. what kind of damage can come from using the whole bottle in the brake booster line?
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Old 03-07-2007
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I just used about .5 bottle in my brake booster line, the rest in the tank. Theres a huge difference...I got no ping, idle is smooth as the day I bought it. MPG I'm expecting to go up too.

Andrew, I dont' think it will hurt...I mean, if it's still running fine...it should be good to go! I would think the engine would completely die if you did something wrong.
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  #19  
Old 03-07-2007
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seafoam is awesome!!! i've done two treatments in the last month and i've jumped 3 mpg city driving!


as for plugs, why change them if you're under 100k miles? I checked mine at 60k against a brand new pair and the old plug looked brand new, so i called a couple of ford tech's that i know, and all of them say don't change the plugs till you hit 100 - 120k miles
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Old 03-12-2007
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I'm changing out my engine-----the old one had timing chain tensioner seize up and caused a terrible rattling and grinding to where is was just made more sense to replace the engine.

What plugs should I use, plug wires, and anything else y'all can think of? Got new oil and filter, anti-freeze, changing the trans oil and filter (would it be a good idea to empty the converter?), thermostat and serpentine belt.

Engine is exactly the same: 4.0 SOHC with 37k miles out of an '03 to put in my '01 Ranger 4X4 Edge.
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