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my 03 hyundai santa fe shows no codes smog guy & hyundai says it's because I replaced the battery Both say I need to drive 50 miles. I Have driven over 250 miles still missing codes in cars computer. car has only 50k miles on it & runs perfectly check Eng light has not come on. I paid Lic fee but can't have tags until it passes smog. HELP I love the car
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Hello you have to fallow specific instructions in order to pass readiness on your santa fe , i can fax or email this instruction. my phone #is 6263439860 Israel
Have a California Gold Shield Station look at your incomplete monitors and then have them check what is called the mode 6 data. That will tell you why and what monitor is not completing. If the Station does not really know how to do this, then try another Gold Shield that does know. I deal with this everyday as I am a Gold Shield Smog Technician and incomplete Monitors do do occur and it is because some component is worn to the point of almost setting a code but not quite. Or you may have a small EVAP System leak etc.
Agreed with Dan 100%; I will add, though, that Hyundai's are notorious for being extremely difficult to set monitors. The car is looking for a string of criteria to be met, and it just doesn't come easy.