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2000 ford taurus 3.0 dohc won't accelerate

My son in GA bought this car with 200k+ on it. he says it will not accelerate. Clogged Cat.converters maybe ?

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SOURCE: how to locate thermostat on a 2000 taurus se 3.0l duratec dohc

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Posted on Oct 06, 2009

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SOURCE: My 1997 Ford Taurus stalls when I accelerate. It

Replace first, the fuel filter if this has not already been done. You may have a plugged filter, and these are very inexpensive. If this does not resolve the issue, locate the MAS (mass airflow sensor) located between the throttle body and the air filter housing. Start the car and let it idle normally; with a screwdriver handle or other such small tool, tap the mass airflow sensor (small black unit; will have a wiring harness hooked to the side of it); if the car dies, stalls, hesitates; first purchase MAS cleaner at the local auto parts dealer - specifically ask for Mass Airlflow Sensor Cleaner. It will should cost between 7-12 bucks - but you wont need the whole can - however, when using it: (if the car does not die, stall or hesitate and the idle stays the same, than the sensor is not bad) If it does however:
1. Remove the MAS (disconnect wiring harness) you may need to pull the top end of the air filter housing off.
2. Spray inside the sensor generously from both ends ensuring it's entirety is sprayed. Let stand for 15 minutes to airdry.
3. Re-install the sensor and start car. If there is still no improvement and the car hesistates, 1. Ensure the air filter as well is in good repair, and that there is nothing causing any air flow restriction between the airfilter and the throttle body.
4. If the airfilter is good, and there are no restrictions to air flow, consider replacing the MAS, however if you can get the car to the auto parts dealer, or to a technician (who may charge; auto parts dealers usually don't) have them run a diagnostics test on the car.
5. At this point, if cleaning the sensor has made no improvement, and the car stays idling, does not hesitate when tapping the sensor, the air filter is good, the fuel filter is good - then the next step is to replace the fuel pump.
Please let me know if you need further assistance.

Posted on Sep 26, 2011

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1 Answer

Besides the cat could a clogged fuel filter cause the hesitation?

a clogged fuel filter will have a marked performance accross all rpms but especially when a high prms with open accelerator position when there is a high demand for fuel
most failed cat converters show sign at high load/ rpms situation when the speed of the exhaust gas flow is impeded and chokes the inlet gasses from entering the inlet port during the induction stroke
fix the canister problem and run the fault codes
look for problems in the EVAP system and MAP/VAP sensors

Sep 16, 2015 | 2002 Ford Taurus

1 Answer

1995 ford taurus cat converters need replacing

allow a muffler shop to install it. you don't want to inhale any of the lead or contamints that are in the converter. shop around and get a price quote, you'll save money this way.

Mar 12, 2014 | 2001 Ford Taurus

1 Answer

I have a 2000 ford taurus duratec dohc 3l, gitting lean codes on both banks and misfire codes on most cyclinders. I have replaced 4 coil packs , all spark plugs, pvc valve, idle control, and all 4 oxygen...

I would start with the intake gaskets. this gaskets are a common problem and would cause the lean condition and the misfiring and also before that even i would put a fuel pressure gauge on it to make sure the correct fuel pressure is being sent to the injectors, i weak pump can also cause this problem, starting witht the intake a smoke machine would be very helpful to pinpoint a gasket leak or using a scan tool and watching your fuel trim values while spraying throtlebody cleaner around the intake and seeing the values and if they change or the engine speed chages, this is where i would start. good luck and have a good day.

Feb 27, 2011 | 2000 Ford Taurus

1 Answer

98 ford zx2 2.0 dohc stalls out woulnt idle long & doesnt pick up power when you push gas if you push gas fast will backfire.will gain rpms if gas is pushed slow

It sounds like you may have a clogged-up catalytic converter. Try cracking the exhaust loose at the flange in front of the engine where the Catalytic converter bolts to the exhaust manifold. You don't have to take it all the way down, just 1/2" or so. You may have to take the bolt loose on the bracket where the pipe mounts to the oil pan to get the cat to drop down. After you get it down a ways, start it up and see if it runs better. (It will be very loud) If it idles and accelerates without dying or backfiring, then your cat is clogged up.

Jan 29, 2011 | 2002 Ford ZX2

1 Answer

How many o2 sensers are there on a 2003 ford taurus with the 3 liter dohc v-6

2 O2 sensors and 2 catalytic converter efficiency monitors, they look like O2 sensors but are not, they are after the cat converters, the O2's are before the cat converters in the exhaust pipe of the engine exhaust manifolds

Sep 23, 2010 | 2003 Ford Taurus

1 Answer

2001 toyota sienna, 6cyl 3l, must accelerate very slowly from stop or van seems to bog down badly, may take 2 miles to get to 55 mph, going up bridges it bogs down very badly, diagnostics indicated...

Brake loose connection between cat and exhaust manifold , it will allow exhaust gas to go out before cat , and see if it's restore the power on the engine.
If it does then your cat is clogged.
If not it's also might be Throttle Position Sensor , or Mass Air Flow Sensor.
You can't remove cat , you have to replace it if it's bad. Cat is a part of Emission control system.

Aug 29, 2010 | 2001 Toyota Sienna

1 Answer

Firing order for 2000 Ford Taurus

2000 Ford Taurus 3.0 liter V-6 VIN "2"


2000 Ford Taurus 3.0 liter V-6 DOHC VIN "S"


2000 Ford Taurus 3.0 liter V-6 VIN "U"


Hope helps (remember rated and comment this)

Aug 28, 2010 | 2000 Ford Taurus

1 Answer

Why does my '02 taurus stutter or hesitate when i push the accelerator pedal hard while at 40-60 mph? could it be a clogged cat?

Any check engine light? Could be the cat. Also check the fuel filter. Have the computer scanned for codes.

Mar 06, 2010 | 2002 Ford Taurus

1 Answer

Exhaust pipe glows red.

clogged cat converters.

Jun 16, 2009 | 2000 Ford Taurus

1 Answer

Jetta will not accelerate up inclines.

good chance you have a clogged cat converter ...with engine running have someone rev engine and see how much flow you have out tail pipe. also if you hear the sound of something rattling inside exhaust that is another tell tale sign

Mar 16, 2009 | 1993 Volkswagen Jetta

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