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Check enging is on---OBD code is PO171 & p1443---how do i fixed this problem

The most likely cause of these two codes tripping together is a vacuum leak associated with the canister purge system. This system collects the vented gasoline vapor from the fuel tank and when the engine is running purges the canister into the manifold.

The P0171 is an indication that the engine is running lean and the P1443 is a fault associated with the Purge Control Valve Solenoid trouble code control valve.

Inspect under the hood for a disconnect vacuum line.

The photos are examples of the vacuum circuit connect via hoses. Listen for a vacuum leak when the engine is running. It would be a whistle sound. Also if work has been done recently look in the area that the work was done under the hood.


26150454-uk2ysmhepcorsq0r4fy0hyob-4-2.jpg Hope this helps?

Apr 03, 2016 | Cars & Trucks

1 Answer

Wht could be the problem with

Routine in that check lights have been on all
vehicles for some 31 years now ?

Yes there is a real problem when an OBD2 system
check light comes on & you should have had it checked
for codes already & either given them to us,looked them
up on the internet or had a repair shop determine if you
should even be using the car until diagnosed & repaired

Oil changes are due when you decide to do them,nothing
else involved there

I wouldn't go over 4,000 miles,that would be changing your
oil 4 to 5 times a year

If you have an owners manual, the question may be somewhat answered in there

Oct 26, 2012 | 2004 Nissan Maxima

1 Answer

My Chrysler 300 M started losing power on the freeway and then the engine died at the offramp. I got it started and limped home. The check engine light came on and when I checked the codes I got P0068...

Hi there:DTC P0068 - Throttle Body Airflow Performance
The ECM detected that the airflow was more than the calculated airflow rate, condition met for 0.2 second. In this diagnostic, the actual throttle position and airflow rate are compared to an expected throttle position and airflow rate based on the engine load. The ECM determines engine load based on inputs from the mass airflow (MAF) sensor and the manifold absolute pressure (MAP) sensor. The ECM performs further comparisons to determine if a sensor has failed, and then it sets DTCP0068.

  • Check for air leaks after the MAF sensor mounting location
  • Check for air leaks in the PCV system and in its related hoses and/or valve
  • Check for moisture somewhere in the Air Induction system
  • Check for a skewed or out-of-range ECT sensor
  • MAF sensor wiring routed too close to ignition wires or motors
  • MAF sensor low reference circuit has high resistance
  • MAF sensor is contaminated or dirty
  • Throttle plate dirty or contaminated
  • ECM has failed

Hope this helps.

Oct 04, 2012 | Cars & Trucks

2 Answers

Code p1131 on 97 f150 4.6 on bank 1 what does it mean?

P1131--Lack of HO2S-11 Switch,Sensor Indicates Lean

Front O2 Sensor -- at converter inlet,pass side (Bank #1)

Could be ten things

Check that you have no vacuum leaks anywhere,including
the exhaust manifold & system

Check air filter cover & ducting for leaks

I doubt you have experience or test equip to test
the O2 Sensors, so replace both front ones, if you
have dual exhaust

Sep 08, 2012 | Ford F-150 Cars & Trucks

2 Answers

My 97 grand Marquis will not start all of a sudden, after putting it in neutral and pushing it side to side it starts for a whole day, then the following day it won't

Be sure to check the charge state of the battery with a voltmeter, and maybe have it load tested at a battery retailer to verify how good it is.

If the contacts are dirty, and it is not shiny and new looking when removed, then wire brush vigorously until it looks shiny and clean.

Reinstall, so that one can have reliable battery connections.

Good luck on this repair.

Nov 19, 2010 | 1997 Mercury Grand Marquis

1 Answer

I have a 1999 Windstar that died and will not start. I added fuel and can hear the fuel pump fun. Any ideas?

does it have a control mod or pcm if the fuel pump does not pressure up the systemcheck to see if you have pressure in yor line should be a valve that looks like a tire valve

Aug 06, 2010 | 1999 Ford Windstar

1 Answer

My nokia 3230 failed to start up. when i turn-on the button it wll only show the phone brand which is Nokia then a message will appear on screen which is "phone start-up failed. Contact the retailer." can...

My nokia 3230 failed to start up.... Answer Failed: retry My nokia 3230 failed to start up. when i turn-on the button it wll only show the phone brand which... (More) (More) My nokia 3230 failed to start up. when i turn-on the button it wll only show the phone brand which is Nokia then a message will appear on screen which is "phone start-up failed. Contact the retailer." can you offer me solutions for this?

Apr 17, 2010 | Nokia 3230

1 Answer

What is the maintenance schedule for a 2005 jaguar s?

I hope this helps.

Annually or every 7,500 miles
  1. Change engine oil and filter with Mobil 1 0-40 or extended performance 5-30
  2. Check and top all other fluids
  3. Visually inspect undercarriage for problems
  4. Inspect tires and rotate every second small service
  5. Check wiper blades, replace if streaky
  6. Check windshield washers
  7. Check lights
  8. Check belts and hoses
  9. Check operation of air conditioner and heater
  10. Road test car and note any problems
Every 15,000 miles this work is added:
  1. Replace wiper blades and clean washer nozzles
  2. Use Autologic to check for stored faults in the various computer systems
  3. Check handbrake operation
  4. Lubricate door locks
Every 30,000 miles this work is added:
  1. Inspect exhaust system and service as needed
  2. Replace air filter
  3. Replace cabin filter
  4. Inspect battery and replace if 4 years old or if it fails load test
  5. Check serpentine belt condition - replace if cracked. Check tensioners and rollers.
  6. Inspect brake discs/rotors
  7. Inspect brake fluid level, brake hoses, and brake pads
  8. Inspect cooling system
  9. Inspect door hinges & locks
  10. Inspect engine
  11. Inspect engine mounts
  12. Inspect exhaust system
  13. Inspect fuel system
  14. Inspect handbrake
  15. Inspect headlights, check aiming
  16. Inspect lights & controls
  17. Inspect seat belts
  18. Inspect steering system
  19. Check wheel alignment (front)
  20. Inspect wheel lug nuts
  21. Lubricate accelerator linkage
  22. Lubricate brake pedal
  23. Lubricate weatherstripping
  24. Torque propeller shaft bolts
Every 3 years this work is added, regardless of mileage traveled
  1. Change brake fluid, preferably in spring
  2. Change engine coolant, preferably in fall
Every 60,000 miles
  1. Change transmission fluid
Every 90,000 miles
  1. Replace spark plugs
  2. Change final drive lubricant

Nov 26, 2009 | 2005 Jaguar S-Type

1 Answer

F1 error code, continual beeping all other oven functions work properly

Here are the error codes for Dacor:

Range/Stove/Oven Fault Codes Failure
Condition Check/Repair F0 Clock pushbutton is stuck in a depressed position Check clock buttons F1 Element relay circuit failure Control board may be bad F2 Oven temperature exceeded the clean runaway temperature (self clean only) or the cooking runaway temperature (cooking modes only) Call for service F3 Short Circuit in the oven temperature sensor Check oven temperature sensor for continuity, if no resistance (zero ohms), replace F4 Short Circuit in the oven temperature sensor Check oven temperature sensor for continuity, if no resistance (zero ohms), replace F6 Failure in the EEPROM check comparison (only time of day and timer will operate) Call for service, electronic clock control is usually the cause of the problem F7 Failure of the self- clean automatic door latch system Check door latch and switch(es) F8 Failure of the door latch motor. Occurs when the motor runs for two minutes without the door locking in self-clean mode Check door lock motor and door latch

Nov 08, 2007 | Dacor Epicure ERD30 Dual Fuel (Electric...

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