Passing Smog in CA
Well the car that I am trying to pass smog on is a 1991 318is now registered in Washington State and tiring to pass in California to get it registered for California.
I have taken my car three times to the smog testing shop and failed all three. I have replaced many hoses that were cracked, oil filter, o2 sensor, running with 91 petrol, had the cat checked; fine, spark plugs, and oil change. But there is a hole in the muffler but was told that was not hurting my test results.
The car passes at 2500RPM but fails as a "Gross Polluter" at idle (btw the idle is turned down all the way). In idle it passes CO levels with a .07 (MAX 1.00; GP 2.50) and for the HC(PPM) levels it fails with 310 (Max 120; Gross Polluter level is 270). I've only got a little more way to go, but I have run out of ideas to what to change.
Any help would be appreciated, thanks.
I have taken my car three times to the smog testing shop and failed all three. I have replaced many hoses that were cracked, oil filter, o2 sensor, running with 91 petrol, had the cat checked; fine, spark plugs, and oil change. But there is a hole in the muffler but was told that was not hurting my test results.
The car passes at 2500RPM but fails as a "Gross Polluter" at idle (btw the idle is turned down all the way). In idle it passes CO levels with a .07 (MAX 1.00; GP 2.50) and for the HC(PPM) levels it fails with 310 (Max 120; Gross Polluter level is 270). I've only got a little more way to go, but I have run out of ideas to what to change.
Any help would be appreciated, thanks.
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