Ford Ranger / B-Series :: 2000 - Fuel Economy 5 - 8 Mpg?


Jul 21, 2012

I am experiencing Dismal fuel Economy, I filled the tank about 16 gallons (tank read full) and went 118 miles, I burned to about 1/4th of a tank remaining, so a rough estimate is I burned 12 gallons of fuel to go 118 miles, leaving me 5-8MPG Cruising 50-60 miles an hour.... What should I be looking for..... I have 110,7XX on the truck. it's slow as heck, it hesitates and just has no get up and go unless you really step on it. It's had a recent tune up.

Plugs were changed at 105,000 miles roughly.... I'm at a loss to know why this little truck is burning so much fuel. It's the 6 Cyl Flex fuel engine. with just normal fuel run in it...I've looked at night for arcing wires and there's no flashes... there is no real miss, I checked the intake for pirate air and fixed one minor leak and have recently rechecked it as well...I've not pulled the plugs out again yet....

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Ford Ranger / B-Series :: 2000 - Fuel Pressure Regulator Location?

I have a 2000 Ranger with the 3.0. Was wondering where the fuel pressure regulator is located on it. I like pictures.

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Ford Ranger / B-Series :: 2000 - Fuel Injection Pressure Damper Location?

I have a 2000 Ranger with the 3.0 in it. Trying to find where the fuel injection pressure damper is located. I was told it's on the fuel rail. Just making sure I'm looking at the right thing.

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Ford Ranger / B-Series :: 2000 - Just Turned Over But Would Not Start - No Fuel Pump Noise

My daughter's boyfriend just bought a 2000 ranger with a 2.5. We just put a flexplate in it and it wouldn't start. Just turned over. Listened for the fuel pump and no noise. After a few minutes, it worked. He drove it home last night and said that it didn't want to work first try but worked with the second try. He drove it to church, 40 miles, and it sit for around two hours and wouldn't start, no matter how many tries.

We tried changing the relays around with no luck. We went and eat lunch and back to the truck with a rubber hammer. Then it starts on the second try without using the hammer. We got under it and cleaned the connections up and put some bulb grease on them. I couldn't get the one apart right on top of the pump itself, I was afraid of breaking it. It's been doing fine since we left the church before we cleaned the connections.

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Ford Ranger / B-Series :: 1990 - Broken Fuel Line At Fuel Pressure Regulator?

I have a 1990 Ranger with a 4.0L that I just changer the intake gasket on. I broke the fuel line at the Fuel Pressure Regulator. Cant seem to find one anywhere. It is a nylon inside/rubber outside with a cloth mesh and quick connect fitting line. Where to get one? Can I hose clamp it the FPR by cutting off the connector that broke?

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Ford Ranger / B-Series :: No Power To Fuel Injectors

I just was given this truck the fuel pump was wired directly to the battery I ran new wire to a new relay to fuel pump using a toggle switch to turn the pump on. Now I'm getting no power to the fuel injectors does the pump relay also send power to the injectors.

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Ford Ranger / B-Series :: No Power To Fuel Pump

The fuse and relay have been tested. There actually is 5 volts at the fuel pump. The truck was running OK when the clutch went out. It wouldn't start after the clutch was replaced. The inertia switch is OK. I don't know where to look now....

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Ford Ranger / B-Series :: 1999 - New Fuel Pump Still Wants To Die?

Anyway just got a new fuel pump put in my 99 3.0 Ranger and now after it's warmed up from a few miles it starts to choke and almost die. No CEL comes on and I just put new Motorcraft plugs in and still the same thing. I read something about maybe cleaning EGR.?

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Ford Ranger / B-Series :: 1998 - Low Fuel Pressure If Rev Up A Bit

I've got 30 lbs of fuel pressure that drops to 28 if you rev it up a bit on a 1998 ranger 4.0 with a new fuel filter. Haynes manual say it should be 56-72 lbs. Bad news is fuel pressure regulator is in the tanks with the pump. Can the regulator be swapped out or is it one assembly with the fuel pump? Is there anything I should check first?

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Ford Ranger / B-Series :: 1998 2.5 - Fuel Pressure Down To 40 PSI?

Ok so my dad has been using my 98 while I was fixing his 92 4.0. I had the 92 perfect and then someone pulled in front of me and totaled it out. Well now I got my 98 back and it's all messed up. Check engine is on p0171. Fuel pressure test done and it's steady 40-42 psi. I remember last year I checked it was like 68-72 psi. It hasn't been a year or two since fuel pump and strainer were replaced. Filter probably 15,000 miles ago. It's currently running good sometimes it cuts off when you start it then next time it stays running. Is this another fuel pump failure? How much longer will it last on 40 psi? The fuel lines and tank have 336,000 miles, engine maybe 150,000 and injectors have about 20,000 miles on them.

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Prius C Fuel :: Fuel Economy Reading Resets Every Time Turn The Car On

Every time I turn the car on, the "from start" fuel economy reading resets to 15l/100k. After driving for a while it goes down to 4l/100k but then resets back to 15 once the car is turned off. Is there any way to get it to stay at what it finished at?

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Prius (2010-12) Fuel :: High Temps Dropping Fuel Economy?

While most of the emphasis I've seen on improving fuel economy seems to focus on warming the car up quickly in cool/cold weather, I seem to be experiencing significant mpg drops at the other end of the spectrum.

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Prius (2004-09) Fuel :: 2008 - Sudden Drop In Fuel Economy - Water Leak?

I have a 2008 prius. Usually it gets me around 52-55mpg, I've had it since January. Since a couple of days ago its not giving me anything above 49. I know thats a normal number, but considering the fact that its usually quite a bit higher I'm wondering what the cause of the drop is. Also around the same time, when I pull out of my driveway I notice what appears to be a bit of water leakage. Its under the vehicle in the front center, and it only happens when I start the car for the day and pull out of my driveway (its on an incline).

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Prius (Gen 3) Fuel :: How Fast To Accelerate For Maximizing Fuel Economy

I am wondering about how fast to accelerate for maximizing fuel economy. I understand with the P&G approach that you don't want to get up to speed too slowly. The question is whether it really is more efficient to go ahead and get up to speed or stay within the ECO guidelines? In particular, I find that getting up to highway speed especially that it can take quite a while to get up to 70 mph without having it going into the power range. It seems like it is better to get up to speed and then back off to go to the high efficiency mode.

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Ford Ranger / B-Series :: Fuel Filter Removal / Replacement

I know where the filter is, i know how to bleed off the pressure. Im wondering if those clips are easy to slide off to remove the filter from the lines?

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Ford Ranger / B-Series :: 1995 - Would Not Start / No Fuel Pressure

I have a 95 Ranger 2.3 with a manual tranny. In the past I have had problems with this truck not starting do to a bad inertia switch and numerous fuel pumps. A couple of weeks ago I pulled the truck off of the driveway into the street and let it set there for a few hours. When I went to put it back on the driveway it would not start. I got it pushed on the side of the garage. I did my normal routine of doing a pressure check. I had no fuel pressure so I assumed that it was the fuel pump (as usual) so I dropped the tank and changed the pump.

I got it back together and it still wouldn't start. I checked the fuel pressure and the manifold still had 0. So I started my diagnostic. I have power from the fuse to the fuel pump relay. I then checked the wiring at the inertia switch and found that there is no voltage with the key on at the supply side of the inertia wiring. I verified continuity between power distribution block and the inertia switch. I put in a new fuel pump relay and it still has no fuel rail pressure and there still is no electric signal at the inertia switch. Where to go from here?

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Ford Ranger / B-Series :: 2002 - Changing Fuel Filter

Where is is my fuel filter and what are the steps to changing it. I have a 2002 Ford Ranger. Also how do you change the flashers, the left blink is really fast but the right blink is fine.

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Ford Ranger / B-Series :: 1987 - Fuel Pump Won't Shut Off

1987, 2.9 ... I got all my wiring repaired and replaced both the intank pump and the high pressure pump, for a few days it would fire right up as soon as you hit the key but it had a miss (the pumps shut off after a second or two with the key on "RUN"). I tore the throttle body off and cleaned all the carbon out of it, when I put the throttle body back on I noticed that the engine to body ground was loose so I ran a new piece of 4ga from the intake manifold bolt to one of the master cylinder bolts.

After I did this I went to start the truck and no go, the fuel pump turns on with the key but then it wont shut back off until you turn the key off. if you try and start the truck it will crank but wont fire, after about a half hour of cycling the key and cranking it will start to put a little bit then a few tries later it will start but sounds rough when it first fires. I thought it may be a stuck injector so I ran some cleaner through the Schrader valve on the rail. Still have nothing, both pumps do run but still don't shut off after a few seconds like they should and now it wont even try to start.

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Ford Ranger / B-Series :: 2001 - No Fuel Pressure At Start

2001 Ranger, 108,000 miles, good regular maintenance per the Ford Schedule. 4.0L manual trans.

I changed the fuel filter 20,000 miles ago. This has been a recurring issue anytime my fuel level was low, about 1/4 tank or less, and when the truck was warmed up, hot. The fix in the past was to add fuel and let the truck sit for awhile. Now, today I drove home for lunch and when I tried to start the truck to return to work, it wouldn't start.

Same conditions, low fuel level and it was warmed up. The engine will turn over and start to run with ether in the air box, so it's definitely fuel related. A fuel pressure gauge on the Schrader valve got a zero reading, not even a flicker, and no residual pressure after shut off.

Could this be only a fuel pressure regulator issue? Or should I prepare to replace the fuel pump? Is there a fuse that might be blown?

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Ford Ranger / B-Series :: 1983 - Poor Fuel Mileage?

I recently bought a 1983 Ford Ranger Diesel pickup truck (2.2L Mazda engine, manual transmission). The dealer said to expect a little above 30 mpg on fuel mileage but the two fill-ups I've done show an average fuel mileage of 22 mpg. About half of these are highway miles.

I thought diesels are supposed to have good mileage. Is this typical for my year and model truck? Is there any way to increase the mileage? I just replaced the air and fuel filters and also changed the oil and oil filters.

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Ford Ranger / B-Series :: Intermittent Fuel Pump Relay?

My '94 4.0L XLT has hesitated to start a couple times lately. Then, after sitting for a week while we were on vacation, the truck would not start at all today.

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I read about the fuel pump relay, so since I am not made of money, I decided to change that first ($16 vs. $100). After installing the new relay, the truck started! I put the old relay in the box and tossed it into the glove box.

After lunch, and some thought, i decided I wanted to put the old relay back in and see what happened. Guess what! It started with the old relay as well! I also noticed that the humming/buzzing sound the fuel pump makes when the switch is turned on was different with the new relay vs the old one. I put the new relay back in, but now I am unsure where my real problem lies. Intermittent relay, or fuel pump on its way out??

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