Quick Answer: Car Computer Won’T Clear In Time To Get Insprction What Do I Do?

How long do I have to drive my car to reset the computer?

So why is the light still on? Here’s something you probably don’t know: after clearing the car’s computer you will need to drive for about 50 to 100 miles. As you drive your car the computer will monitor all the sensors and register the results.

How do I get my monitor ready for inspection?

Start the engine and idle the engine in drive for two and half minutes, with the A/C and rear defroster on if equipped. Turn the A/C and rear defroster off, and speed up to 90 km/h (55 mph) under moderate, constant acceleration. Hold at a steady speed for three minutes.

How do I reset my car monitor?

Start cold (below 86°F /30°C) and warm up until engine coolant temperature is at least 160° F (typically requires at least one minute; up to 3 minutes). Accelerate to 40-55 MPH at 25% throttle and maintain speed for five minutes. Decelerate without using the brake (coast down) to 20 MPH or less, then stop the vehicle.

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How do I pass OBD system check?

To pass an OBD-II emissions test, a vehicle must:

  1. Have a functional ‘Check Engine’ light and OBD port.
  2. The ‘Check Engine’ light must be off.
  3. Successfully complete the OBD-II system monitors that are built-in to the vehicle.

How long does battery need to be disconnected to reset ECU?

Disconnecting the battery for a short time may not do the trick because the car’s computer, or ECU, still has some current in it. Waiting for over 15 minutes after disconnecting the engine will help ensure the equipment is reset.

Do I need to reset car after changing battery?

Yes. You will need to reset your settings. Usually the dealer can do it free of charge but no promises. If you take a battery off and put a new one on, if there was anything hooked up the the battery, i.e. the hose you are speaking of, reinstall it.

What does Fuel System Not Ready mean?

A “not ready” result means your vehicle’s computer has not had a chance to check all of the parts of the emissions control system for problems – so it cannot determine if everything is working as designed. Until the vehicle is “ready” to complete the checks, the OBD inspection cannot complete.

How do you do a drive cycle for inspection?

General Motors Drive Cycle For Smog Check

  1. Start the vehicle from a cold start.
  2. Let the engine run on idle.
  3. Accelerate to 55 mph.
  4. Hold a steady speed of 55 mph for 3 minutes.
  5. Let go of the accelerator and coast until the vehicle hits 20mph.
  6. Accelerate again until 60 mph.
  7. Hold steady for 5 minutes at 60mph for 5 minutes.
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How do I know when my obd2 is ready?

To determine if readiness OBD II monitors are complete:

  1. Turn the ignition key to the “on” position for 15 seconds without cranking the engine.
  2. If the “Service Engine Soon” light blinks eight times, one or more readiness monitors are incomplete.

What is a drive cycle for a car?

A driving cycle is a series of data points representing the speed of a vehicle versus time. Driving cycles are produced by different countries and organizations to assess the performance of vehicles in various ways, as for instance fuel consumption, electric vehicle autonomy and polluting emissions.

Will a pending code fail emissions?

The short answer is yes. Your vehicle can pass the smog check with a pending trouble code, so long as the check engine light is not illuminated and the required emission monitors are ready. A pending trouble code may set for diagnostic purposes and will not illuminate the check engine light.

Does disconnecting the battery clear codes?

Leaving the battery disconnected for about 15 minutes will ensure the vehicle systems will completely reset when you reconnect the battery. Disconnecting the battery will clear the error codes and reset the check engine light.

What is the OBD system check?

OBD systems are designed to alert drivers when something in the engine or emission control system begins to deteriorate or fail. When the OBD system determines that a problem exists a code is stored in the computer memory. The computer may illuminate a dashboard light indicating “Service Engine Soon” or “Check Engine.”