Question about 1999 Buick Regal

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How do i fix dtc po-443

4.2 liter v6

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Posted on May 08, 2014

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Explorer 99 po171repair. Failed pollution testing


This diagnostic trouble code (DTC) is a generic powertrain code.... Basically this means that an oxygen sensor in bank 1 has detected a lean condition (too much oxygen in the exhaust).On V6/V8/V10 engines, Bank 1 is the side of the engine that has cylinder #1

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I got code PO 452, PO 443, PO 449 all EMS codes what do I need to replace and how hard to do your self?


The codes only tell the mechanic what to test, not what to replace.
You would need to get the shop manual for your vehicle to have the test instructions for each code.
Code 452 is a problem with the fuel tank pressure sensor circuit, 443 is evap canister purge and 449 is the vent valve circuit.
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How do i fix po-443 1998 ford f-150 ?


.may be you should make a diagnostic and you can do it in a garage or you can do it by yourself if you want to do it by yourself you need some tools and you can find some good ones here: http://www.xcardiag.com/

May 08, 2014 | 1999 Buick Regal

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Error code P 171 and P 174 and P0443


Type: OBD PO 171 --for the code discription,
cause & solutions

OBD PO 174
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Trouble codes po443 and po449


PO 443--Evap Purge Control Valve Circuit

PO 449---Same thing---Vent Valve/Solenoid
Circuit Malfunction

Dec 04, 2012 | 2001 Pontiac Grand Am SE

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My Santa Fe cuts out when driveing then i have trouble restarting, i have had the cam shaft censor replaced, help please.


Why did you replace the Cam Sensor? Was there a DTC P0340 in the ECM (DTC=Diagnostic Trouble Code, ECM=Engine Control Module)? The 2004 Santa Fe came with three different engines (4 cylinder - 2.4 liter, the 2.7 and 3.5 liter V6's). Which one is yours? What is your vehicles' maintenance history? What else have you done to the vehicle to determine the cause?
Are there any DTC's set/stored in the ECM?

Aug 29, 2011 | 2004 Hyundai Santa Fe

1 Answer

How to fix this codes po443,po730,po751,po756,pib11,c1243


po 443= purge solenoid circuit
po 730= incorrect gear ratio, transmission problem
po 751= 1/2 solenoid problem
po 756= 2/3 solenoid problem
other 2 have no listing on alldata
you should seek professional help with these trans codes.
check ALL fuses first

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Car codes Dodge Caravan 2002


new spark plugs basic tune up this will fix it ,then fine the small vacuum leak fix it this should take care of it.

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I have a error code reading of PO 743, Torque converter clutch, what does that mean?


It sounds like the convertor in the exhaust system is partly blocked. You will need to have this checked at a shop. Frankster016

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