Can't pass smog , help !!!
Thread Starter
Newb
Joined: Sep 2016
Posts: 41
Total Cats: -16
Can't pass smog , help !!!
So I can't pass smog this is my results ...getting ready for the re test , I re did my timing belt because it was off by a tooth in exhaust side. I also reset my timing to 10 degrees. New plugs .. sea foamed the car , what else can I check . I have an o2 sensor from a donor miata i .
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Senior Member
Joined: May 2011
Posts: 638
Total Cats: 76
Things to check:
vac leaks
burning oil? How much
How hot was your CAT when you went on the testing station?
Ignition wires condition?
HC usually points to Air fuel mixture and No points to EGR... typically. Be prepared to go down the rabbit hole of what ifs.
vac leaks
burning oil? How much
How hot was your CAT when you went on the testing station?
Ignition wires condition?
HC usually points to Air fuel mixture and No points to EGR... typically. Be prepared to go down the rabbit hole of what ifs.
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Thread Starter
Newb
Joined: Sep 2016
Posts: 41
Total Cats: -16
I couldn't find any posssible leak to be honest , and the cat, I ran the car before going but they had me waiting a long time and decide to turn off the car . Ignition wires were replaced about 4 months ago
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