Question about 2001 Chevrolet S-10

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Po 178 po 179

Put in fuel sensor fuel pump an air filter fuel filter code is po 178 an po179

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

  • 8 Answers

SOURCE: 2006 trailblazer po 411 code check engine light comes on and off over time is it a sensor or the air pump?

Check all your vacume lines one may have a crack in it

Posted on Apr 21, 2009

  • 7 Answers

SOURCE: my 1996 chevy silverado 1500 4x4 5.0 is running

also check your fuel flow rate u can havegood pressure but not enough flow and make sureu dnt have water in the fuel

Posted on Jun 30, 2009

jturcotte
  • 8210 Answers

SOURCE: overreving with no power and

usually caused by busted diaphram in fuel pressure regulator allowing fuel to be drawn thru regulator directly to intake manifold. Pull vacuum line off regulator, plug line with golf tee, start car and watch to see if gas comes out of regulator. If yes, turn off car, replace regulator. The regulator sits near the fuel rail on the top of the engine as shown below. I will paste replacement instructions below from autozone.com in case you need to replace the regulator. Please let me know if you have any questions.
jturcotte_421.gif


Removal & Installation

4.2L Engine

  1. Relieve the fuel system pressure.
  2. Remove the air cleaner outlet resonator.
  3. Disconnect the engine wiring harness from the retaining clips at the front of the engine.
  4. Disconnect the fuel pressure regulator vacuum line.
  5. Clean any dirt from the fuel pressure regulator and the surrounding area.
  6. Disconnect the fuel return pipe.
  7. Remove the fuel return pipe retainer.
  8. Remove the fuel pressure regulator retainer.
  9. Remove the fuel pressure regulator.
  10. Inspect the regulator filter screen for contamination. If contaminated, replace the fuel pressure regulator.

To install:
  1. Install the regulator filter.
  2. Install the new O-ring on the fuel pressure regulator.
  3. Lubricate the fuel pressure regulator O-ring with clean engine oil.
  4. Push the fuel pressure regulator into the regulator housing on the fuel rail.
  5. Install the fuel pressure regulator retainer. Tighten the regulator retainer screw to 71 inch lbs. (8 Nm).
  6. Install the fuel return pipe retainer. Tighten the return pipe retainer screw to 71 inch lbs. (8 Nm).
  7. Connect the fuel return pipe.
  8. Connect the fuel pressure regulator vacuum line.
  9. Connect the negative battery cable.
  10. Inspect for leaks:
    1. Turn ON the ignition for 2 seconds.
    2. Turn OFF the ignition for 10 seconds.
    3. Turn ON the ignition.
    4. Inspect for fuel leaks.

  11. Install the engine wiring harness into the retaining clips at the front of the engine.
  12. Install the air intake resonator.

Posted on Dec 08, 2010

  • 39 Answers

SOURCE: 2000 s10 truck,will not start in cold weather,new

Having the same problem with mine. Did you ever get yours figured out?

Posted on Dec 27, 2010

ZJLimited
  • 17970 Answers

SOURCE: po300 code possible fixes?

HI there:

Basically this means that the the car's computer has detected that not all of the engine's cylinders are firing properly.


A P0300 diagnostic code indicates a random or multiple misfire. If the last digit is a number other than zero, it corresponds to the cylinder number that is misfiring. A P0302 code, for example, would tell you cylinder number two is misfiring. Unfortunately, a P0300 doesn't tell you specifically which cylinder(s) is/are mis-firing, nor why.


Symptoms may include:

the engine may be harder to start
the engine may stumble / stumble, and/or hesitate
other symptoms may also be present

A code P0300 may mean that one or more of the following has happened:
Faulty spark plugs or wires
Faulty coil (pack)
Faulty oxygen sensor(s)
Faulty fuel injector(s)
Burned exhaust valve
Faulty catalytic converter(s)
Stuck/blocked EGR valve / passages
Faulty camshaft position sensor
Defective computer


Possible Solutions: If there are no symptoms, the simplest thing to do is to reset the code and see if it comes back.


If there are symptoms such as the engine is stumbling or hesitating, check all wiring and connectors that lead to the cylinders (i.e. spark plugs). Depending on how long the ignition components have been in the car, it may be a good idea to replace them as part of your regular maintenance schedule. I would suggest spark plugs, spark plug wires, distributor cap, and rotor (if applicable). Otherwise, check the coils (a.k.a. coil packs). In some cases, the catalytic converter has gone bad. If you smell rotten eggs in the exhaust, your cat converter needs to be replaced. I've also heard in other cases the problems were faulty fuel injectors.


Random misfires that jump around from one cylinder to another (read: P030x codes) also will set a P0300 code. The underlying cause is often a lean fuel condition, which may be due to a vacuum leak in the intake manifold or unmetered air getting past the airflow sensor, or an EGR valve that is stuck open.


Hope this helps; also keep in mind that your feedback is important and I`ll appreciate your time and consideration if you leave some testimonial comment about this answer.

Thank you for using FixYa, have a nice day.

Posted on Aug 03, 2012

Testimonial: "thank you for your suggestions.codes were cleared,so far po140 has not returned (bank one,sensor two).code po300 returned in less than five minutes.will check vacuum,hoses,and egr next."

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1 Answer

Po178 po179


codes p0178 and 179 refer to fuel composition sensor--low and high input respectfully==causes for 178 are wiring--- short to ground--fuel composition sensor--ECM and for 179 are wiring short to positive-- fuel composition sensor---ECM

Dec 06, 2013 | Cars & Trucks

1 Answer

Scanned my computer , came up with a PO 171 and 174 what does this mean?


P0171 AND P0174
P0171 - System Too Engine Cylinder Lean Bank 1xicon.jpghttp://engine-codes.com/p0171.htmlForum CodePossible causes- Intake air leaks
- Faulty front heated oxygen sensor
- Ignition misfiring
- Faulty fuel injectors
- Exhaust gas leaks
- Incorrect fuel pressure
- Lack of fuel
- Faulty Mass Air Flow (MAF) sensor
- Incorrect Positive Crankcase Ventilation (PCV) hose connection Tech notes Dirty air filter of faulty air flow sensor are common causes for the P0171 code of the problem.


P0174 FORD - Fuel Injection System Too Lean Bank 2xicon.jpghttp://engine-codes.com/p0174_ford.htmlForum CodePossible causes- Intake air leaks
- Faulty front heated oxygen sensor
- Ignition misfiring
- Faulty fuel injectors
- Exhaust gas leaks
- Incorrect fuel pressure
- Lack of fuel
- Faulty Mass Air Flow (MAF) sensor
- Incorrect Positive Crankcase Ventilation (PCV) hose connection Tech notes The codes is usually set when there is an intake leak after the air flow meter, before replacing any parts check for loose or broken hoses and intake gasket leak. On Ford some models dirty air filter, and dirty or faulty air flow sensor are the cause of the problem.

Jul 27, 2012 | Cars & Trucks

2 Answers

I have a 2001 Toyota Corolla with 255K I replaced all 4 injectors with remanufactured OEM Denso injectors (15K warranty that has ran out.) With the following codes about a year ago - PO 171 PO 300 &...


No i would go for the o2 sensors ,two are fitted one before the cat and one after ,use universal ones now the 4 wire ones are 40euros each but the 3 wire ones are 90 euros each, in the box is a wire conversion colour code chart but basicly the two wires the smae colour go together either way around and the other two look at the conversion chart

Jan 07, 2011 | 1998 Toyota Corolla

1 Answer

I have a 95 Maxima that occasionally stalls when I come to a stop. The check engine light was on so I hooked it up to an OD2 sensor and it gave the following 7 codes: P 1320 - Distributor Signal...


Trying to clean the MAP sensor will damage it. Install a New Air filter and The Fuel filter, then replace the MAP sensor. Do not touch, or spray(compressed air or solvent) on the element when installing it. Have all of the OBD II Stored codes Deleted. Add a can of B&G 44K fuel additive to a full tank of fuel. The B&G is the best on the market, do not substitute. It is only available Through dealerships (Toyota). It will condition fuel pump and injectors. The ECU in your car is very dependable and rarely needs replacing. Always Replace cheapest parts first. Test drive the car and Then recheck The OBD II for new faults. The dimming of your lights before shut down was due to RPM of the engine dropping below 750 RPMs. Alternator will not produce voltage below 750 Rpms. 30 Amps at 14 Volts is required to run the engine.

Mar 03, 2017 | 1995 Nissan Maxima

1 Answer

My 2000 Ford Ranger keeps showing codes PO 171 and


These codes mean that the oxygen sensor is reading too "Lean" on both the left and right cylinder banks and the engine control system can't compensate any further to solve the problem. You may have a dirty or failing Mass Airflow Sensor that is miscalcuating the amount of airflow the engine is taking in which in turn can cause both of these codes to set. If the sensor is reporting less air than the engine is actually taking in then the engine computer will add only the amount of fuel it should based on what it was told by the sensor which will cause both cylinder banks to run "lean". There could be something else going on such as having two bad oxygen sensors [very rare] but I do see these two codes together quite often and usually its the sensor that is causing it. Hope this helps a bit!

Jul 11, 2010 | 2000 Ford Ranger SuperCab

2 Answers

Code PO 171


http://www.automotiveforums.com/t473813.html

PO 171 is a system to lean code. This link will explain why this is and how to fix it,

Mar 02, 2010 | 1998 GMC Sonoma

1 Answer

Have a eng code it show po 171 what do i do next


Enter the code in a Google search box and it will bring up a list of articles on the trouble code, such as the following:
A code P0171 may mean that one or more of the following has happened:
  • The MAF (Mass Air Flow) Sensor is dirty or faulty. Note: The use of "oiled" air filters may cause the MAF to become dirty if the filter is over-oiled. There is also an issue with some vehicles where the MAF sensors leak the silicone potting material used to protect the circuitry.
  • There could be a vacuum leak downstream of the MAF sensor.
Possible Solutions Possible solutions include:
  • In the vast majority of cases, simply cleaning the MAF sensor does the trick. Consult your service manual for it's location if you need help. I find it's best to take it off and spray it with electronics cleaner or brake cleaner . Make sure you are careful not to damage the MAF sensor, and make sure it's dry before reinstalling
  • Inspect all vacuum and PCV hoses, replace if necessary
  • Check for a dirty fuel filter and proper fuel pressure

Dec 18, 2009 | 2005 Toyota Corolla

1 Answer

1996 Ford Taurus power hesitation


If you disconnected the Mass air flow sensor the car should have die out at idle. Check fuel pump pressure at the fuel rail should be 30 psi at idle. Low fuel pressure will cause your po 171, 172, problems which could cause the other to problems. You might be needing a fuel pump and filter.

Jun 24, 2009 | 1996 Ford Taurus

2 Answers

1992 pontiac boneville, keeps stalling


Have you chg.fuel filter and had a fuel pressure test done? Does it have spark after it stalls? Fuel pumps are a common problem, they work when cold get warmed up they quit, after a while quit all together. Do the fuel pressure test.

May 05, 2009 | 1995 Pontiac Sunfire

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