Question about 2000 Toyota Corolla

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2000 toyota corolla codes po172 too rich & po125 insufficent coolent close fuel loopm. How do you fix these problems?

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Posted on Jan 02, 2017

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SOURCE: toyota code b1181

check the spiral cable assy. directly behind the steering wheel

Posted on Dec 21, 2008

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SOURCE: removing door panel in 2000 toyota corolla

remove phillips scew and the door handle. remove padded arm rest on the door by lifting it up, and remove 2 screws. You can use a panel tool to remove the plastic toggle like pins holding the panel border in. Be as gentle as possible they may break due to becoming brittle.

Posted on Apr 06, 2009

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SOURCE: How do I replace the fuel filter on my 2006 Toyota Corolla?

ITS A LIFETIME FILTER AND WITH REGULAR USE, SHOULD NEVER NEED TO BE REPLACED

Posted on May 24, 2009

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SOURCE: 2000 Toyota Corolla P0171

When the fuel trim is high teens or in the 20s then its the MAF that the problem. If fuel trim is normal, 2-5 then its the O2 sensor.

MAF-
Buy "Electrickleen" at the parts store.
Remove the MAF sensor, WHILE COLD, and blast the wire inside with cleaner.
The "hotwire" gets gummed up and changes the resistance of the wire so you get a bad input to the ecu and it trys to lean out for a rich condition that doesnt exsist.When it cant adjust anymore it trips the po171 code.

Posted on Jun 01, 2009

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SOURCE: same error codes keep reappearing P0125, P1135,P0171and P1130

It seems this is a fuel problem from the description I get on my scanner for these codes. Is there any way I can get a more in depth explanation than just what shows on the scanner exp. (P0125 closed loop fuel insufficent coolant temp).Changing gas cap and plug wires solved nothing. P-0125 indicates that your thermostat is sticking open. The engine is not warming up enough to change from OPEN loop to CLOSED loop. P-0171 indicates that you have a dirty MASS AIR FLOW SENSOR. Replace the thermostat, and clean the MAF. Then clear the codes and drive it, and recheck for any codes.

Posted on Jun 09, 2009

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1 Answer

Trouble code PO172


Code 172 means the fuel mix is too rich on bank one. If you have a 6 cyl engine there is only one bank of cylinders. The problem could be the O2 sensor or a leaking injector among other things.

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1 Answer

2000 camry locate sensor for code po125


dont know of a code po125. Is this a 2az or a 1mz engine

Oct 24, 2012 | 2000 Toyota Camry

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2003 toyota corolla please help me with this code po125


Did you bleed the coolant system?This needs to be done,and it should be fine,but you will have to have the code erased too.

Jul 06, 2010 | 2004 GMC Envoy

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Hi can help me to fix code po125 on 2003 toyota corolla yuo know i try to fix but still came back the same code po125 , i change engine temperature coolant sensor and 02 oxyge sensor also 02 heater sensor...


Did you reset the Computer after you did the repair? After you replace a sensor that has stored a fault code you need to reset the computer in the car to clear the stored codes. Auto Zone or O'Rielley's may do it for you or try removing the Negative battery terminal for 60 secs.

Jul 04, 2010 | 2004 GMC Envoy

1 Answer

I have check engine light code po125---p1139 toyota 4runner v6


PO125 INSUFFICIENT COOLANT TEMPERATURE FOR CLOSED LOOP CONDITIONS.POSSIBLE CAUSES - LOW COOLANT LEVEL - STUCK OPEN THERMOSTAT OR FAULTY ENGINE COOLANT TEMPERATURE SENSOR. DID NOT SEE CODE P1139.

Apr 25, 2010 | 1999 Toyota 4Runner

1 Answer

2000 Toyota Corolla P0171


When the fuel trim is high teens or in the 20s then its the MAF that the problem. If fuel trim is normal, 2-5 then its the O2 sensor.

MAF-
Buy "Electrickleen" at the parts store.
Remove the MAF sensor, WHILE COLD, and blast the wire inside with cleaner.
The "hotwire" gets gummed up and changes the resistance of the wire so you get a bad input to the ecu and it trys to lean out for a rich condition that doesnt exsist.When it cant adjust anymore it trips the po171 code.

Jun 01, 2009 | 2001 Toyota Corolla

1 Answer

1996 es300 trouble code po172 and misfireing on all cylinders


Whats going on here is that you have a too rich fuel air mixture. This will cause your misfiring and set off the PO172 Code. Your Bank 1 O2 Sensor is picking up the too rich mixture. This O2 sensor is location on the #1 Cylinder side (so you problem could be in #1/#3/#5 Cylinder). A dirty MAF Sensor, loose plug wire, dirty/broken spark plug, dirty fuel injectors, vacuum leak, and PCV Valve could all be a cause. I would run some injector cleaner through and also clean the MAF Sensor, change your PCV Valve. This would be an easy and cheap start for you. Good luck and thanks for using FixYa!

Sincerely,
JC

Dec 28, 2008 | 2000 Lexus ES 300

1 Answer

Obd II po172 code on ford explorer


P0172 is a fuel system always rich code, on most explorers I have found the Mass Air Flow sensor is the root cause of the problem.

Aug 21, 2008 | 2000 Ford Focus

2 Answers

Car is codeing po172,po102&p1127 .how do you fix these code .


po172 sysmtem to rich which means its getting to much gas and not enough air po102 mass air flow sensor circuit low input p1127 and we dont know but this is what is in my book for my elantra book is for 1996-2006

Aug 13, 2008 | Hyundai Elantra Cars & Trucks

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