94 New Yorker failed NOx echeck

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Hello. I just took my 1994 Chrysler New Yorker to get e-checked, and it failed on NO (NOx). HC and CO were within specification. The reading for NO was 830.2 @ppm and the spec is 796.0 @ppm. The Vehicle was at normal operating temperature. This vehicle was checked last year, and passed. Just curious for some suggestions on where to start, to fix this issue, for I have been out of the car business for a long time.

cityslacker06 in Streetsboro OH

Jun 29, 2010

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RepairPal Certified shops can diagnose and repair your 1994 Chrysler New Yorker. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.

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94 New Yorker failed NOx echeck

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cityslacker06 in Streetsboro OH

Jun 29, 2010

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user91328on Jun 29, 2010

EGR valve is responsible for controling the nox. if you do not have the valve, the converter is the controller. also, make sure the cooling system is working correctly as high engine temp will give you high nox. Roy

Visitoron Jul 7, 2010

Thank you for your reply. I do have an EGR valve. Also, there are a total of 3 converters on this car. ANy more insight? Cooling system seems to be working properly. Hmm..this car has an EGR solenoid. What could I do personally, to see if the EGR solenoid is opening up the EGR. If I put direct vacuum to the EGR itself, the EGR opens and closes, etc, so I would have to assume that the EGR itself, functions, but I am wondering if the EGR solenoid is not.

cityslacker06on Jul 7, 2010

Sorry, my reply was done while I was not logged in.

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Newyorkerloveron May 18, 2015

I use..90 proof octane..alcohol...in can...pour one can in bas tank and male sÃ»re bas level se lear 1/2 tank...rub thÃ© car before toi go in..highway...or side Roads...once u arrive st check point..turn off car...RICHEPIN AUTO PARTS STORE CAREY THIS..,,RICHILYN AUTO PARTS CARRY THIS.. HAVE 95 new yorker....

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Popular Answer

What are the best Chrysler repair shops?

RepairPal Certified shops can diagnose and repair your 1994 Chrysler New Yorker. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.

1994 Chrysler New Yorker auto repair 1994 Chrysler New Yorker estimates 1994 Chrysler New Yorker questions 1994 Chrysler New Yorker problems 1994 Chrysler New Yorker recalls

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user91328on Jun 29, 2010

Visitoron Jul 7, 2010

cityslacker06on Jul 7, 2010

Sorry, my reply was done while I was not logged in.

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Newyorkerloveron May 18, 2015

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