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Tanya McCain Posted on Apr 21, 2013
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2003 Ford Explorer struggles to stay started and smells of rich gas. It has a new MAP sensor as of 6 months ago.HELP!

My Son turned into the driveway and it stalled. It struggled to start back. It smelled as if it was flooded. I drove it some but had to have foot on brake and gas to keep it running. I just had a new MAP sensor put on about 8 months ago...PLEASE HELP!

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Bill Boyd

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  • Ford Master 53,816 Answers
  • Posted on Apr 21, 2013
Bill Boyd
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Joined: Jan 04, 2013
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Have the fault codes read as you may have injector problems from other sensors that are not working properly.

5 Related Answers

Anonymous

  • 15 Answers
  • Posted on Oct 19, 2009

SOURCE: struggling uphill on motorway - foot to floor - new clutch

cluctch is not properly adjusted or they didn't replace the pressure plate?

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gerry bissi

  • 4390 Answers
  • Posted on Feb 27, 2009

SOURCE: Overdrive light flashing trans struggles to shift

probably the vehcile speed sensor

Anonymous

  • 5 Answers
  • Posted on Jun 02, 2009

SOURCE: 1987 F150 rough idle, stalls, smells rich

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Anonymous

  • 811 Answers
  • Posted on Oct 03, 2009

SOURCE: Car will start but will not stay running-not getting gas?

have fuel injection system cleaned

Testimonial: "Thank you for the quick reply. This was one of my first thoughts along with possibility of a blocked fuel filter, fuel pump, or plugs/coil connectors."

roniecon

Ronny Bennett Sr.

  • 6988 Answers
  • Posted on Jul 08, 2010

SOURCE: ford e350 5.8L engine flooding out. I

On the return line going back to the fuel tank,,,there is a blockage in the line,it is not returning to the tank,,check for a pinched line,the fuel pressure regulator is trying to return the fuel that is not being used,but it can not because of the restriction,now think,if the vehicle had had service,on a jack,or lift,before all this happened,and might have crushed a fuel line,either way,this has got to be the problem,the fuel can not return to the fuel tank,and the fuel pressure is forcing it threw the injectors,cause it has no where else to go,if this was AT ALL HELPFUL,PLEASE RATE,THANK YOU.

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Related Questions:

0helpful
1answer

Hi i've recently replaced the engine on my 2003 1.3i bantam rocam with a 2010 model but have lots of problems . fuel consumption is very bad petrol smell is very rich car jerks alot and has no power...

The computer, map and other sensors are not going to work with the 2010 motor, A speed shop may be able to help you , get a written quote it may cost more then the motor.
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2000 Dodge Stratus SE stalling and not restarting

Sounds like a broken wire probably close to where the computer is. I would inspect the harness here and then under and around the power distribution module (fuse and relay box under the hood) This can be removed for closer inspection of the contacts underneath.

Check all sensor connections especially the crank


Pull the MAP sensor plug connector out and try to start the car, if it starts and runs rough and then wont when the map is plugged in then replace it and you are a go.
I think this is your problem or fuel pump or the fuel pump wire is corroded typically where it connects to the harness and then goes into the body.
This is somewhere to start at least.
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1answer

I have a Ford F250 have raw gas smell have put in fuel pressure switch,plugs and wires what could the problem be

Raw fuel running rich, two thing control that, coolant temp. sensor and MAP sensor both work like a choke, make sure you have vacum at map senor and with scan tool check coolant temp. senor, also have your catilic converter check, if clog will run rich not enough air going in, so to much fuel.
0helpful
1answer

My 2001 Ford Expedition is guzzling gas like no other. I have had a tune up, new tires and oil change. But I am still getting about 12 miles per gallon is there anything that I can do to get more MPG?

I have a 99 explorer with V8 that runs great! and I get
a whopping 13mpg. But it has high miles. So I was
going to change the catalytic converters as they may
have started to plug up. And any exaust restriction
will drop your mpg, even a bent tailpipe will cause a
drop. There are other possible reasons for this, such as the o2 sensor sending a signal to the pcm calling
for a more fuel rich, air fuel mix than neccesary. Or
the temp sensor failing to signal that the engine is
at operating temp, and stays to some degree in cold
start mode. But either of these conditions would be
noticed through dtc codes- a smell or engine performence. I hope I was of some help.
Good luck.

todytwo
0helpful
1answer

Car will turn off when the gas pedel is released

gee where to start....fuel filter, O2 sensor,map or maf sensor, egr valve, get a fuel pressure tester and check psi at fuel rail. (35 to 45 psi. key on - engine off).
2helpful
3answers

Crysler lhs 96 runs real rough...smells rich. rpm goes up and down. wont stay running.

Most likely faulty 02 sensors. They tell the computer how much gas to give the car. A faulty camshaft position sensor may also act this way to. You can check sensor with an ohmmeter and check that there is an electrical flow through the sensor.
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1997 Ford Escort Runs Poorly, Smells like fuel, now won't start.

it could also be your map sensor .it on the fire wall .or on the air in take.your motor is running rich that why it smell like gas .
0helpful
1answer

I cant remember what I had replaced about 5-6 months ago, seems like it was a sensor. My 1993 Ford Explorer is not running or idling at normal speed. When I pull up to stop it is like it stays engaged and...

listen for a hissing noise(vacuum leak around the pcv elbows or upper intake gaskets) this will cause a high idle set off lean codes which will say bad o2 sensors alson check idle air control valve which is located by throtlle body this will stick causing the vehichle to not run at idle sometimes taking it off and cleaning the carbon buildup out will fix the problem use some break cleaner
0helpful
2answers

1994 ford taurus

Replace the crank sensor on your car. The crank sensor tells when the plugs should fire. When it decides to go bad, the cylinders will overly fuel themselves because it's not firing at the right time creating your fuel smell.
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