Two Problems - Need Advise

Hi all,

As follows:

1) - NJ VEHICLE INSPECTION FAILURE AS RESULT OF
EMISSIONS HC READING OF 175 VS 100 AS THE STANDARD.

Appreciate comments/possible root cause etc....
Would like to have some idea prior to taking it to
be diagnosed..... thanks

2) - Engine Temp needle fluctuating bet normal and high, (almost at red line) and back to normal.

Possible thermostat replacement? ???

Thanks again

Manny
94 LSI

[Beav]

I would think the temperature reading would be of way more importance than passing an e-test. Who needs a sticker on a car with a torched engine?

Anyway, HC is raw, unburnt fuel. CO is fuel with too little O2 to burn properly. Excessive HC is usually accompanied by misfire or, in the case of failing e-tests, caused by the engine not being up to operating temperature before testing. Also could be caused by a bad temp sensor (but not the same one as the one that reports to the temp gauge - there are two different sensors.) OR..... there could be a lack of adequate coolant that would cause both sensors to 'wig-out' and provide abberant information. A 'lack of adequate coolant' could also come in the form of air bubbles provided by leaking head gaskets. Not trying to rain on your parade but without more defining information I'm just running amuck.

Agree with in the order of importance.....many thanks.

I'm penciled in for both issues on wednesday am.

Manny

[19svx94]

the emissions is more likely than not the 3rd catylatic converter going bad, and i would suggest flushing the coolant if the level is not low, and change the thermostat for a "fail safe" type of thermostat, basically if the thermostat were to fail it gets stuck wide open instead of stuck shut like most other thermostats

Appreciate the knowledge.......

Hey the 3rd catalitic is the Y pipe or???

Thanks

[Beav]

If the car is running properly the cats aren't needed to pass those levels.

[Ricochet]

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[SSSVX]

Originally Posted by JM SEDANO

Hi all,

As follows:

1) - NJ VEHICLE INSPECTION FAILURE AS RESULT OF
EMISSIONS HC READING OF 175 VS 100 AS THE STANDARD.

Appreciate comments/possible root cause etc....
Would like to have some idea prior to taking it to
be diagnosed..... thanks

2) - Engine Temp needle fluctuating bet normal and high, (almost at red line) and back to normal.

Possible thermostat replacement? ???

Thanks again

Manny
94 LSI

I also agree with - the engine temp issue is more important than the emission, but, both are important or not your car can't be driven legally.

1) Member swpyne came here two years ago to find out if there's any solution to solve his emission problem after he tried few costly repairs. By chance I saw his problem and recommended the device to him, believe it or not what other people say or what other sites say, it could probably be one of your easiest/simples way to get your emissions solved. I just communicated with swpyne one or two days ago, he's still driving his 96 SVX with the devices on w/o anything side effect. One of the good things, two years later without any work, he passed the emission in this April with flying colors. I was just happy for him. You can read the stories from the threads below:

http://www.subaru-svx.net/forum/show...light=emission

http://www.subaru-svx.net/forum/showthread.php?t=17469

My opinion is good luck for your emission fix. If you want to give this a try, you're welcome to email gbw5@yahoo.com your contact numbers. We will discuss about how it works.


2) Are you sure you have enough coolant in your radiator? You may want to try giving your radiator a really good flush and fill up with a good mixture of coolant. Check the radiator hoses are still good and tight. Get yourself a new thermostat and a radiator cap and see if it changes your situation.