UPDATE: '93 240 failed emmisions test in Ontario

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NoOne

I passed !!! :-)

Thanks to James Sweet for suggesting to use the product to clean
valves & injectors.

OK, now the facts:

In first test,HC was at 83 (linit is 66), CO was at 0.40 (limit is
0.37) and NO was at 903 (limit is 505).

In today's test I got 66 for HC ( a 20.4% reduction from last test),
CO at 0.23 (a 42.5% reduction) and NO at 451 (a 50% reduction).

As you can see, my HC is at 66 and the limit is 66!!! So what do you
suggest? I'm OK for now, but if HC increases by just one, I'll fail
the test in two years.

Should I get the technician at the Volvo dealer to manually clean
valves & injectors or should I just give it another treatment or two?

Btw, I gave it two treatments. First one was for injectors only. The
improvement was marginal, ~ 5-10%. But the second treatment was for
the valves. injectors, etc. That made a h*ll of a difference. The
car drives 100% better. Accelerration is unbelievable.

Thanks.

Btw, I used the Canadian Tire brand of cleaners.
 
NoOne said:
I passed !!! :-)

Thanks to James Sweet for suggesting to use the product to clean
valves & injectors.

OK, now the facts:

In first test,HC was at 83 (linit is 66), CO was at 0.40 (limit is
0.37) and NO was at 903 (limit is 505).

In today's test I got 66 for HC ( a 20.4% reduction from last test),
CO at 0.23 (a 42.5% reduction) and NO at 451 (a 50% reduction).

As you can see, my HC is at 66 and the limit is 66!!! So what do you
suggest? I'm OK for now, but if HC increases by just one, I'll fail
the test in two years.

Should I get the technician at the Volvo dealer to manually clean
valves & injectors or should I just give it another treatment or two?

Btw, I gave it two treatments. First one was for injectors only. The
improvement was marginal, ~ 5-10%. But the second treatment was for
the valves. injectors, etc. That made a h*ll of a difference. The
car drives 100% better. Accelerration is unbelievable.

Thanks.

Btw, I used the Canadian Tire brand of cleaners.
Click to expand...

Apparently driving for half an hour or so before the test is useful for
lowering HCs. A tidbit gleaned from this forum a few years ago and not
mentioned much anymore...
Mike
 
I must have missed your earlier posting... what was the product he
suggested? I've been using Seafoam, a little in the gas every so often and
sometimes a little squirted into the intake manifold so it hits the
valves....
 
Michael Pardee said:
Apparently driving for half an hour or so before the test is useful for
lowering HCs. A tidbit gleaned from this forum a few years ago and not
mentioned much anymore... Mike
Click to expand...
How could I forget - an oil change is also supposed to help HCs.
 
After failing the first test, I went on the highway and drove 100 KM
at spped between 100KM/h and 140KM/h then went directly to take a
second test. All readings were slightly higher than the first test
taken a few hours earlier that day.

I did change the oil at end of April. Mobil 1.
 
James mentionned using Techron. I simply went to Canadian Tire.
Looked at all the various brands of products and then decided to buy
the Canadian Tire brand since it was on sale 40% off. I figured that
CT is not doing the stuff, another company is doing it for CT. Since
there is no way to be sure that another brand is better than CT, I
went with CT.

The one that did work for me sells around $13 (regular price). It is
pink liquid in a transparent plastic bottle. I'll check it out this
week end and will post back the name of the one I used.
 
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