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Kartorbust

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Well took it to O'Riley and they determined fuel pump or fuel related. Fuel pump is $239.99 for it. But what I don't get is, why is it dropping rpm while coasting, shouldn't that be something else? I mean in cruise control it acts fine, just coasting and idling it doesn't act normal. So freaking stupid. Make matters worse, there is 2 different fuel pumps, one is for vehicles made on one date, and another for a different date.

If it has a big chest or wheels it'll give you problems. Life lesson.
 

Poboy kartman

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Well took it to O'Riley and they determined fuel pump or fuel related. Fuel pump is $239.99 for it. But what I don't get is, why is it dropping rpm while coasting, shouldn't that be something else? I mean in cruise control it acts fine, just coasting and idling it doesn't act normal. So freaking stupid. Make matters worse, there is 2 different fuel pumps, one is for vehicles made on one date, and another for a different date.

If it has a big chest or wheels it'll give you problems. Life lesson.

Bet you a warm flat beer it's NOT the fuel pump!

(You heard it here first folks!)
 

Jfive

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Fuel filters are easy to change and cheap so start there. Hard to believe fuel pump is over 100.00. Walbro 255lph pumps are 100.00 and made for almost any vehicle. Try summit racing for one. If a filter doesn't do it. Maybe need to clean the maf egr iac ect. I take em out and clean with .99 alcohol cheap cleaner IMO.

---------- Post added at 03:47 PM ---------- Previous post was at 03:45 PM ----------

They either have a clip you pull with screw driver or u need a plastic tool that slips over the line to release a spring that keeps it locked. Lisle makes the tool set for cheap.
 

chancer

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I agree not the fuel pump. why would it pump fuel to run and rev the engine but not idle while coasting?
If it turns out to be the Fuel Pump I will buy warm flat beers for everyone that has commented on this issue!

What he said^^^ on a Ford/Mercury product your need that silly little tool.
 

Kartorbust

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That's the thing, I looked up the symptoms and we're not seeing them for a failing pump. Fuel filter for Ford are the stupid type where you have to use a special tool to move the clips from the knurl on the filter tips.

Ford fuel pumps and parts in general are expensive. But that's Ford for ya. We've had to replace 2 Walker fuel pumps on our 99 F150 and the last one we've had in it is a Bosch and that was close to $400. But that truck was giving symptoms of bad fuel pumps.

I'll replace the filter probably tomorrow and go from there.
 

Poboy kartman

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That's the thing, I looked up the symptoms and we're not seeing them for a failing pump. Fuel filter for Ford are the stupid type where you have to use a special tool to move the clips from the knurl on the filter tips.

Ford fuel pumps and parts in general are expensive. But that's Ford for ya. We've had to replace 2 Walker fuel pumps on our 99 F150 and the last one we've had in it is a Bosch and that was close to $400. But that truck was giving symptoms of bad fuel pumps.

I'll replace the filter probably tomorrow and go from there.

It's just totally illogical....it takes MORE fuel to run above idle....this is an electric fuel pump system....engine rpms have nothing to do with fuel delivery....(in otherwords....it can only get worse above idle and off-idle....)

The key symptom is the stutter in idle.....that's not a fuel delivery issue. (Unless you count fuel injectors.)

Now....how many coils do you have?
 

Poboy kartman

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What I was thinking....should throw a code tho....but pull your plugs and give each one a look....the thing that's really hurting my head on this is the "Quitting completely! "
 

Kartorbust

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But it doesn't studder when giving gas. Just cuts out when coasting and idling. Maybe a slight mis at low idle but that's it. Cause that was another thing I had in mind too. But with no codes being thrown I'm lost.
 

Poboy kartman

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Like I said....check the plugs for giggles and let me know....

I had another thought , is that timed with a crank sensor?

I'm just trying to organize all the pieces in my head so I can formulate a hypothetical cause.

I might have to call my younger brother (15+ years as a Ford mechanic on this one!)
 

Kartorbust

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You know I'm not sure on the timing. I'll crack a couple plugs when I get a chance too. Shopping for food at the moment. Ribs and potatoes tonight.
 

Poboy kartman

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Also....Google up FTE forum....join up and ask there....there are some AMAZING guys there.....very knowledgeable...and much nicer than me...(even though I'm a member there.)

Just go to the introduction section and ask.....
 

Kartorbust

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Been a member there for years and I did ask there but they've been hardly any help so far.

---------- Post added at 04:53 PM ---------- Previous post was at 04:48 PM ----------

So I may join a mountaineer forum maybe they'll be quicker to respond.

---------- Post added at 04:55 PM ---------- Previous post was at 04:53 PM ----------

This is my thread on there http://www.ford-trucks.com/forums/1440487-engine-cuts-out-while-driving.html#post16366285

---------- Post added at 05:47 PM ---------- Previous post was at 04:55 PM ----------

Popped a plug out think the number 2 cylinder (drivers very front plug towards bumper). Bottom of the wire if white. Electrode itself looks okay. Might need to be changed. Not sure when it was last done though.
 

Kartorbust

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94 here. Took my dad fishing today. I caught 2 small Sunnies and that was it. Got home from O'Riley with parts for the mountaineer and my girlfriend rushed out because my mom was crushed by the fridge. She was putting an ice tray in the freezer and she blacked out and her hand was still on the door and when she went down, whole thing came down on top of her. My girlfriend was able to get the fridge off my mom but my mom's chest was very sore, so she couldn't get up. So she's in the hospital with a bruised chest and may spend the night there.

Well it was the freaking Idle Air Control Valve, that was giving grief. Got that replaced in like 5 minutes, but once I got that done, I had to pull out of the garage so they Paramedics could get the gurney into the kitchen and have my mom get into the ambulance.

Then after I put the new IAC valve in, I put in 8 new spark plugs. Driver side piece of cake, passenger side...was a pain. Ford decided its a great freaking idea to have the head on the passenger side for spark plug holes to be at like a 30 degree angle so the #7 plug was a P.I.T.A to get out with extensions on. Regardless it's running better. Just idles high for about 5 seconds then mellows out. Oh and I tossed in a new air filter cause I had all of that torn apart to do the plugs.
 

chancer

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Wow! I hope your Mom is ok!
I bet a warm fla...
Oh nevermind.:lolgoku:
Let us know how she is tommorow, best wishes.
 

Kartorbust

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Thanks. She had a CT scan of her head and chest and they found no issues. My dad went to visit her an hour ago and I called him up and asked. So far doing fine.

I'll let you guys know soon as I know more. Fridges are just as dangerous as vending machines.
 

Kartorbust

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Lol nope, but either way they are large appliances and can easily be underestimated on weight. Just glad she wasn't killed by the dang thing.
 
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