Does new battery affect smog test?

Does new battery affect smog test?

If you recently jump-started or replaced your car battery, wait at least one week before going in for a California smog check. When a car’s battery dies or is disconnected, the computer resets, erasing the internal emission monitors required to pass a smog test.

Can a car pass a smog test after battery was changed?

I was told it could not pass a smog test until the computer was reset; at a cost of $135.00.This car has always past before. What difference would this make if they are sticking the tester in the exhaust pipe?

Why did my car fail the smog check?

It failed the smog check because there is no data; the tech said no monitors. I drove it 250 miles and it failed the smog check again. I drove my car for another 110 miles and took it to Honda dealer to check the monitors. They said it will cost me $320.00.

What happens when you disconnect the battery in a car?

When you disconnected the battery, the computer lost all of it’s stored data. The emissions protocols require a certain amount of stored data to determine the emissions condition of the car.

Can a convoy auto repair do a smog test?

We are certified by the state of California to perform smog tests, and we can also perform any related repairs you need. You can trust Convoy for complete car checkups to help keep your car running in top condition.

I was told it could not pass a smog test until the computer was reset; at a cost of $135.00.This car has always past before. What difference would this make if they are sticking the tester in the exhaust pipe?

Can a DTC erase a smog check monitor?

If your car has recently been repaired for a problem that set a DTC (check engine on) and the technician cleared the DTC, he also erased the monitors. Also, if battery has been disconnected, replaced or needed a jump-start, the monitors may be erased.

Why is my smog check OBD 2 incomplete?

There are several reasons why the monitors may be incomplete. If your car has recently been repaired for a problem that set a DTC (check engine on) and the technician cleared the DTC, he also erased the monitors. Also, if battery has been disconnected, replaced or needed a jump-start, the monitors may be erased.

Can a car pass with only one smog monitor?

Note that a car can pass with some incomplete monitors…a maximum of one on 1999 and earlier cars, and only one ( The Evaporative System monitor) on model year 2000 and later gasoline powered automobiles. All monitors must be complete on 1998-2006 diesel powered vehicles.