Question about 1999 Volkswagen New Jetta

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Jetta temp sensor related to other codes?

I have a 99 jetta and I have a P0117 and P0422 code. If the temp sensor is bad would that cause the mixture to be incorrect and throw the other code about the catalyst below threshold?

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P0422 - Catalyst below threshold.

Catalytic converter is clogged or out of medium.

Replace it.


ACTUAL DIAGNOSTIC:

Fault Code Definition
Code P0422 indicates that the Bank 1 Main Catalytic Converter's emissions efficiency has fallen below the minimum allowable limit. This threshold is tracked by a Catalyst Monitoring Oxygen Sensor located on or near the outlet of the Catalytic Converter.

Symptoms

* Check Engine Light will illuminate
* In many cases, no abnormal symptoms may be noticed

Common Problems That Trigger the P0422 Code

* Defective Catalytic Converter
* Engine misfires have damaged the Catalytic Converter
* Internal engine damage resulting in high oil consumption and/or a leaking Head gasket has damaged the Catalytic Converter

Common Misdiagnoses

* Oxygen Sensors are replaced when the real problem is a damaged Catalyst
* Catalyst is replaced when the real problem is internal engine damage, which is producing elevated emissions levels
* Catalyst is replaced when a misfiring engine is the real problem



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Posted on Sep 28, 2010

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Not really if your car was overheating than it would be a temp sensor or water pump did you get it checked to see if you have a bad o2 sensor bad o2 sensor messes up catalyc converter if not changed.

Posted on Sep 24, 2009

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1 Answer

2000 Dodge stratus 2.4 started flooding all at once.P0117 code advance said was bad coolant sensor so disconnected it & still same problem.Changed plugs & they weren't wet just black.Any ideas ?


replace the coolant temp sensor as it reports engine temp to the ECM to set the mixture for combustion
by disconnecting it , the ECM is reading a cold motor and will enrich the mixture as if the choke is still on
it also reports when the coolant is at the correct temp and as it gets hotter tells the ECM to turn on the radiator fan

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more than likely is a problem with your coolant temp sensor replace coolant temp sensor

If you need further help, reach me via phone at https://www.6ya.com/expert/james_9c1b039055413ffa

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The check engine lamp on my vw jetta 3 is ''on'', i put a diagnostic reader on and it showed the following codes:P0422,P0411,P0300B,P0301B,P0302 and P00172B, what do they mean and how can i solve the...


P0422 - Catalyst below threshold.

Catalytic converter is clogged or out of medium.

Replace it.


ACTUAL DIAGNOSTIC:

Fault Code Definition
Code P0422 indicates that the Bank 1 Main Catalytic Converter's emissions efficiency has fallen below the minimum allowable limit. This threshold is tracked by a Catalyst Monitoring Oxygen Sensor located on or near the outlet of the Catalytic Converter.

Symptoms

* Check Engine Light will illuminate
* In many cases, no abnormal symptoms may be noticed

Common Problems That Trigger the P0422 Code

* Defective Catalytic Converter
* Engine misfires have damaged the Catalytic Converter
* Internal engine damage resulting in high oil consumption and/or a leaking Head gasket has damaged the Catalytic Converter

Common Misdiagnoses

* Oxygen Sensors are replaced when the real problem is a damaged Catalyst
* Catalyst is replaced when the real problem is internal engine damage, which is producing elevated emissions levels
* Catalyst is replaced when a misfiring engine is the real problem



Thanks for using FixYa - a 4 THUMBS rating is appreciated for answering your FREE question.!@#$%

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ECM detects short circuit in wiring or engine coolant temp sensor (G62)

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For ''what does obd2 code p0117 on my 2000 crown victoria means''


P0117-Engine Coolant Temperature Circuit Low

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ECT sensor signal circuit is grounded in the wiring harness ECT sensor is damaged or the PCM has failed

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1998 Volkswagon jetta GL OBDII code P0117 (engine coolant temp LOW IMPUT) What is the fix? Installed new thermastate, Rad&engine flush, Replaced water pump about a year ago.


Comment from the FixYa Moderator Staff:

Regarding your PO0117 code, I would suggest to you to replace the Coolant Temperature Sensor. This is a rather common isue, either the sensor is bad, the wiring connection is compromised, or the coolant level is low. I woul dthink that the senor is the issue, however.

Thnaks or coming to FixYa for advice with your VW.

Oct 29, 2009 | 1998 Volkswagen Jetta

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1999 jetta P0117 code and P0422


Its a bad temp sensor.good call!

Jul 11, 2009 | 1999 Volkswagen New Jetta

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I have a 96 eclipse and the check engine and battery light are on, the code it throws is p1493 and p0117 what is wrong with it?


P1493 Battery Temp. Sensor, Low Voltage
P0117 ECT Sensor, Low voltage

Make sure the engine is reaching operating temperature, U may have a problem w/the thermostat, this is code P0117

Have the battery and the Alternator tested for possiable charging system issue, this is code P1493

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