Pickering Angels

Emmisions test help

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billybobjoesue

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May 1, 2002
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Hi all,

I have 1990 Sable in relatively good shape. It has 130,000 kms on it and has been rather gently driven... (By an old lady to church on Sundays, well almost). But seriously, my father gave the car a couple of years ago and it had recently passed. I am a little worried tho. I don't want to have to spend the extra dough to attempt the fix on it if I don't have to.

So, my question is, I heard that running a tank or two of high-test through it may help. Is this true?

Any other suggestions?

Bill
 
Sheik is correct, My mechanic told me the best things to do to help a pass is, oil & filter change, air filter & pcv valve, spark plugs(if due for a change)
2 yrs ago I sold my 1989 full size chev van and had it etested for the sale. It passed with flying colours, I took the above approach, , oh, I forgot to mention, it had 300,000 kms on it.
 
you are all right to a pint.
We Always suggest customers Do use an additive (try crc guaranteed to pass) and an oil change can make quite a difference in the results. Simple things go a long way like the pcv valve (ususally never looked at) But the best advice is just get it tested and if it fails that car is usually something simple to fix. As far as warming up the car the ministry states that a vehice must be normal operating temperature but testing it cold can lower emissions especially NOX.
Good luck
 
Sheik said:
warm engines, sheesh, I completely forgot about that. Warm engines have tighter seals.
Click to expand...
Just wanted to point out that this also applies to women.
 
There is one other thing you can do... On GM cars under the dash on the drivers side there is an ALDL (assembly line data linc) this requires a hand held computer adapter that will read any saved trouble codes from your ECM, these codes are listed in the Hayes manual you can buy from any canadian tire. I'm sure there is a ford version for this.

The reason I mention it is because you will find out what needs to be replaced for about $15 for the manual and 10 cents for piece of jumper-wire if you don't buy the ALDL reader.

One other note if the Catalitic converter is shot it won't matter whatever else you do, since it has to reach the "manufacturers intended temp for proper opperation" or the test computer will always show a high Co and Nox count!
 
fireman2525 said:
"manufacturers intended temp for proper opperation" or the test computer will always show a high Co and Nox count!
Click to expand...
That is not totally correct @ a warm temp it will do both reduce nox and cos but also help lower the hc, we do it all the time
 
Three things will help old cars pass the test:

- schedule the test for the afternoon when the engine is warm
- drive with premium gas for a few days before the test
- add about a litre of gas line anti-freeze to the gas tank before the test
 
I took my 91 Pontiac 6000 that dripped oil that I had forgotten to change, cold, in the middle of winter. It passed easily. An exhaust guy had said it also needed a new cat-con a few months before, which I took with a grain of salt. They adapt the test results to the age of the car. Unless it's blowing blue smoke, I wouldn't be too worried.
 
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