I have a 97 5litre 1500 pickup and got a 56 on a limit of 65 ppm HC emission test and was wondering what might be causing the increased ppm on my vehicle. I know I could search elsewhere but I thought this group first.
Thanks Rob
Emission Test
Nov 03, 2006
2 Replies
You passed but you want it cleaner?
There is nothing wrong with that...I am not an environmentalist by the politically correct definition, but I see no reason not to take prudent actions to keep the environment the most beneficial to humans - especially if one's vehicle has started to emit more unburned hydrocarbons than it did previously. The OP didn't state what the HC content was at the previous test, but a significant increase could indicate a developing problem. I don't have the answer, but I respect his question.
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