Question about 2011 Chevrolet Aveo
I've driven my car over 100 miles and it is still saying not ready for inspection. what do I do?
Posted by Anonymous on
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Posted on Jan 02, 2017
SOURCE: System monitor - clearing DTCs -
It's not a matter of how many miles, it's more "how" you drive. If you do not have an engine light on now, whatever you do, DON'T disconnect the battery. That will trip all your readiness monitors and make it more difficult to complete the drive cycle. If you have a code set now and the engine light is on, it would be best to get the car scanned and find out how to repair the problem or you are going to waste a lot of time and money driving around and going to the test to get rejected. If there is no light on but you have made a repair and cleared the codes, this is how to drive the car to reset the readiness monitors.
Performing a GM OBDII Driving cycle:
Do not leave the key in prior to the cold start or the heated oxygen sensor diagnostic may not run.
Posted on Apr 20, 2009
you will need to drive approx 500 miles it will eliminate the not ready but will bring back the codes
Posted on Sep 23, 2009
Testimonial: "Thanks. I thought I would just need to drive it a few miles (two or three trips). I would have been really frustrated that it did not fix the problem."
SOURCE: 2004 chevy aveo
There is only 2 options.
1. Your radio code is in your paperwork for your car (Its on a hard plastic card) Find it.
2. Take your registration to Vin and Ser Number for your radio to your local dealer.
These codes are a guarded secret and no one code fits all.
Hope this tip helps guide you in the correct direction to solve this problem.
Posted on Apr 11, 2010
Testimonial: "as your information was very helpful but I dont have the paperwork or card and dealer want $75.00 to fix problem. thanks very muvh."
Here is the drive cycle procedure for that vehicle, and let me know if you require any further assistance.
Running an OBD-II Drive Cycle
The purpose of the OBD-II drive cycle is to run all of the onboard diagnostics. The drive cycle should be perfomed when any trouble codes are erased from the PCM or if the battery was dis-connected. Performing the drive cycle will reset the monitors so that any further trouble codes can be detected.
The OBD-II system drive cycle begins with a cold start with the coolant temperature below 120 degrees F. and the coolant and the air temperature sensors within 10 degrees of each other. (The ignition key must not be "on" or in the "Run" position until the cold start or the heated O2 sensor diagnostic might not start)
1. As soon as the vehicle starts up, idle the engine in drive for two and a half minutes with the AC and the rear defrost on if equipped with a rear window defroster. The OBD-II will check the O2 sensor circuits, the air pump, and the EVAP purge.
2. After the two and a half minutes turn off the AC and the rear window defrost, and then accelerate to 55 mph at half throttle. OBD-II checks for any ignition mis-fires, fuel trim, and canister purge.
3. Hold steady at 55 mph for three minutes. OBD-II monitors the EGR system, the air pump, the O2 sensors and the canister purge.
4. After the three minutes decelerate down to 20 mph without using the brakes or the clutch. OBD-II checks the EGR and the purge functions.
5. Accelerate back up to 55 mph at half throttle. OBD-II checks for mis-fires, fuel trim, and purge functions again.
6. Hold steady at 55 mph for five minutes. OBD-II will monitor catalytic converter efficiency, for any mis-fires, EGR function, fuel trim, O2 sensor operation, and purge functions.
7. Decelerate to a stiop without using the brakes or the clutch. OBD-II makes a final check of the EGR system and the canister purge functions.
Posted on Sep 12, 2010
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