How JustAnswer Works:
  • Ask an Expert
    Experts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional Answer
    Via email, text message, or notification as you wait on our site.
    Ask follow up questions if you need to.
  • 100% Satisfaction Guarantee
    Rate the answer you receive.
Ask akcarguy Your Own Question
akcarguy, Chevy Technician
Category: Chevy
Satisfied Customers: 437
Experience:  schooled, trained,love the wierd stuff
Type Your Chevy Question Here...
akcarguy is online now
A new question is answered every 9 seconds

1999 suburban: smog, emmissions already passed

Resolved Question:

how do i reset the computer on a 1999 suburban to pass smog, emmissions already passed
Submitted: 7 years ago.
Category: Chevy
Expert:  akcarguy replied 7 years ago.
unhook the battery for five minutes then hook it back up, this resets the computer. before hooking the battey cables back up touch the two together, this causes a manual reset and discharge of the elecrtical system. it si called a hard reset. wait at least five to ten minutes for the capacitors to discharge before doing so, ten minuteds is plenty enough time. if you still have a light on after that, the problem has not been fixed.
akcarguy and other Chevy Specialists are ready to help you