Question about 1995 Ford Taurus

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Runs rich fresh engine from ford, but failed emission test. problem is getting worse the more it runs. could it be the o2 sensor?

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  • Ford Master
  • 2,620 Answers

Bad fuel pressure regulator.

Posted on Mar 30, 2014


6 Suggested Answers

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  • 2 Answers

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Posted on Jan 02, 2017

Ajkill
  • 2035 Answers

SOURCE: 2003 Ford Ranger/2.3 O2 sensor - How many and Where located ???

Engine Heated oxygen and catalyst monitor sensors—2.3L engine44e2701.jpg

Posted on Jan 16, 2009

motor1258
  • 6674 Answers

SOURCE: emission test showed error code p1443.check engine

You might want to try "google images" just type in your vehicle and what your looking for. Here's an example (link) of what to look for.

http://www.fordmuscle.com/forums/attachments/all-ford-techboard/4132d1212515121-code-p1443-help-96tbird_evap.jpg

Posted on Oct 25, 2009

morse008
  • 1111 Answers

SOURCE: FAILED EMISSIONS

possible but could be head gasket or valves , or worn rings and is by passing the pistons going straight out the end ...or maby settings are wrong ? try carb cleaner and inspect visually air-filter etc.

Posted on Aug 26, 2009

melvi_99
  • 387 Answers

SOURCE: O2 sensor location for 2002 Ford Focus Sedan

to make you clear where does the oxygen sensors where is........... some have four, three or two, all O2 SENSORS ARE LOCATED AT EXHAUST PIPE. before and after catalytic converter,

Posted on Jul 31, 2010

  • 610 Answers

SOURCE: my 2003 ford taurus gas

is it a flex fuel vehicle? if so it's usually the flex fuel module, logated behind the radio and slightly to the left. get a set of radio removal tools(two u shaped wire tools and fairly cheap) remove radio and replace module (also fairly cheap)

Posted on Dec 22, 2010

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3 Answers

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Its always a good idea to double check codes especially with sensors, if its the heater circut replace o2 if its out of range reset and see if returns

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check fuel pressure/volume, injectors, engine temp sensor for computer to know what the engine temp is, map sensor, timing, throttle position sensor. what emission did it fail might help.

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What can happen by running a 1998 dodge dakota without an O2 sensor.


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is everything stock? and you have catalitic converter in place?

Stop by Schucks auto supply and have them run the codes. i'm sure there is a code if you cant pass emissions. your check engine light bulb is probably out.

and usually the first cause is the first o2 sensor.

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High CO usualy means the O2 sensors are not reading properly. Take it to a parts store that can read codes, I know Auto Zone does in my area. If it is the O2 sensor it is an easy fix but the sensors run about $50.00 each.

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Want to know what PO172 System too rich bank 1 means and PO175 System too rich bank 2 means. These are fault codes from an emissions test I had done on my Dodge avenger and it failed


it means your cars computer is pumping too muchgas into your motor because it thinks the engine is either running lean possibly due to faulty o2 sensors or that the coolant temp sensor is giving false readings and the ecm thinks the car is still too cold.

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Emissions test fail mixture to rich


what i used to do is pour a small bottle of rubbing alcohol in the gas tank....this mixture burns very hot so it will clean everything out thus burning all the gas particles off......i used to do this in a 1988 mustang gt that ran real rich because of performance parts and i couldnt ever get it to pass the tests....also try o2 sensors as well as possibly map sensor if equipped...this could be the problem....
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