Question about 2000 Ford Taurus

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What is the code P1451 solution? Runs great, codes P1451, P0171 and P0174 are coming up and the engine light is on. Car needs to get inspected but codes need to be fixed.

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  • anonymous Nov 25, 2012

    how do i fix obd code p1451

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P0171 - System too Lean (Bank 1)
P0174 - System too Lean (Bank 2)
P1451 - EVAP Control System Canister Vent Solenoid Circuit Malfunction
I'm afraid I don't have enough info to tell you how to fix the P1451 but I'm certain it's the cause of the other two codes.

Posted on Jun 08, 2010

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Posted on Jan 02, 2017

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I have the following codes coming up for my 2003 jeep liberty. P1282, p0171, p0174, p0306


where did you get codes? whomever told you have told the meaning.
use google and search Jeep codes.

P1282 JEEP - Fuel Pump Relay Control Circuit Condition
P0171 JEEP - Fuel System 1/1 Lean
P0174 JEEP - Fuel System 2/1 Lean
P0306 JEEP - Cylinder 6 Misfire Fault Detected


OBDII Codes Engine Light Repair and Diagnostic Information AutoCodes com

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Im getting P0171 code- lean .


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What are the probable causes of DTCs P0171, P0174, and P0455?


Smoke testing for codes P0171 P0174 - YouTube

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Jan 18, 2011 - Uploaded by realfixesrealfast Smoke testing for codes P0171 P0174 .... I have a 1995 ford mustang gt 5.0 and it keeps having a Fault code 176 pop up. ....Ford Explorer P0174 code intake air leak check engine light by froggy - Duration: 16:11. by froggy ...

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2 Answers

Is it usual to have both p0171 and p0174 codes report at same time


sounds like the guy at the dealer ship hit the wires to the o2 sensor changing the oil fiter

Dec 22, 2012 | 1997 Lincoln Town Car

1 Answer

2004 Cadillac DTS engine codes P0171 & P0174


thier is a 1inch round rubber connector between the plentum and the throttle body it has a big round clamp on it start the car and spray starting fluid around that rubber and i gurantee you your engine rav up that mean thier is a crack in that hose it is easy to replace cadillac are famous for that hose to crack and make your cadillac run like ****

Sep 14, 2012 | Cars & Trucks

1 Answer

I have a 2005 Ford Taurus SE (Flex Fuel), 3.0L, OHV. I recently had my A/C compressor replaced due to a clutch disc failure. The new compressor/clutch works great, engages/disengages properly, and blows...


Improve the FixYa experience for everyone by voting. I want you to let me know if the solution(s) suggested were of any value. Constructive criticism is welcomed.

Hi,

I'm Ben and -- hopefully -- I can provide some meaningful assistance.

In my opinion, the problem lies with you P0174 reading. I'll explain.

OBD II Fault Code

OBD II P0171
OBD II P0174

Fault Code Definition

OBD II P0171 Fuel System Too Lean (Bank 1)
OBD II P0174 Fuel System Too Lean (Bank 2)

Symptoms

  1. Check Engine Light will illuminate
  2. In some cases, no adverse conditions may be noticed by the driver
  3. In other cases, there may be performance problems, such as a lack of power on acceleration and some "coughing" or misfiring
  4. The vehicle may have trouble idling, especially when warm or when sitting at a stoplight

Common Problems That Trigger the P0171 and P0174 Code

  • PCM software needs to be updated
  • Vacuum leaks (Intake Manifold Gaskets, vacuum hoses, PCV hoses, etc.)
  • Mass Airflow Sensor (MAF)
  • Plugged Fuel Filter or weak Fuel Pump
  • Plugged or dirty Fuel Injectors

Jun 23, 2012 | Cars & Trucks

1 Answer

My car runs great but engine light is on code is p1451 but it needs smog please help


its the evap canister solenoid, fairly easy to diagnose and fix, common on fords-here is a link with description of problem and correction:
;

http://www.obd-codes.com/trouble_codes/ford/p1451.php

Jan 07, 2011 | 1999 Saturn SL

1 Answer

2000 E-350 V-10. P0174 with exhaust fix


Before I even finished reading this i knew you had a clogged cat. If you have fixed everything you mentioned i would lean towards a clogged cat. This is a large reason this code pops up.

To check this you could pull that cat out and drive around and see if the code comes back, make sure to stay away from the police though.

Subikid90

Mar 03, 2010 | 2000 Ford Econoline

4 Answers

P0171 and p0174 codes


P0171 System too Lean (Bank 1)
P0174 System too Lean (Bank 2)

If a car has a check engine light on and has P0171 and P0174 codes stored, the most likely cause is a vacuum leak. These codes are set by the car’s computer when it sees too much oxygen in the exhaust. Excessive oxygen readings in the exhaust will set lean codes. This does not mean that the oxygen sensors are defective. It is a common mistake for people to replace oxygen sensors when lean codes are present. Just because the code is related to oxygen sensor readings, it doesn’t mean that the oxygen sensors are bad. If both of these codes are stored this means that both banks of the engine have excessive oxygen in the exhaust. If the oxygen sensors are replaced it’s most likely that the same codes will reappear. It is very uncommon for two oxygen sensors to fail at the same time.

Therefore the most likely cause of P0171 and P0174 codes is a vacuum leak. The source of a vacuum leak can be one of many things. The most common cause of a vacuum leak is a leaky hose. Vacuum hoses over time can become dry and brittle. The rubber deteriorates and can leak causing a vacuum loss. Many times a leaky vacuum hose can be found by listening for a hissing sound. A large vacuum leak can even make the car run rough at idle. In some cases it will not idle without feathering the gas pedal.

Sep 10, 2009 | 2002 Jaguar X-Type

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