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Trouble passing Smog?...Nitrogen Levels to high
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[QUOTE]Originally posted by TheBrain: [QB] The smog tech should have checked your timing (it is part of the test) Spec is 10* +/-3* 14* of timing is a failure Your best bet would be setting the timing @ about 8* BTDC As for your EGR, You can check to see if the passages are clear by popping the top off of your EGR solenoid (located on the back side of the pass. side shock tower) and put your finger over the hole while the engine is running. By doing this you will be blocking the vent forcing vacuum to open the valve. This will test the EGR valve, vacuum lines and solenoid passages. The engine should run poor or die with the vent port blocked. If it doesn't, look into the valve and see if the EGR is opening. You can also test your EGR system by running a KOER test and check for codes Good Luck Brian [/QB][/QUOTE]
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