Drive Cycles for Readiness Complete?

[probie]

Thanks for the responses guys. So, a new problem came up after having the vent valve and the gas cap replaced. I drove it for a bit and this time the gas cap light didn't come on, but the check engine light did. Mind you this was after ~20 miles. /smh

So, I went back to AutoZone and had them read the code while I wait for my ELM327 OBD-II wireless adaptor to come in. I got the same code P0455, but this time it directed me to the fuel tank pressure sensor needing to be replaced.

Current list of things done to the car...

Purge Valve Solenoid
Vent Valve
Gas cap
Evap Smoke test

Possibly it's just me, but shouldn't an evap smoke test show the issues if it was more then vent valve? I feel like I paid $75 for nothing to get a false report.

To save a little money does anyone know where the ftps is located?

[LINYSS]

Can I use cruise control while doing the reset?

[crazyhorse]

2013 ss2 camaro A6 — added a cam, battery unplugged, oxygen and catalyst monitors wont complete

i did the drive cycle for GMs online, nothing

found this in the Chilton auto repair manual for a 2013 Camaro 6.2L - I summarized at first taking out manual trans instruction, but they are in the more detailed text below that — i have not completed it trying tomorrow

im posting bc this is way different than that standard GM drive cycle


Conditions:
The ignition voltage between 11–18 volts.
The barometric pressure is more than 75 kPa.
The start-up engine coolant temperature is between 4–30°C (39–86°F).
The start-up intake air temperature is between 4–30°C (39–86°F).
The difference between the IAT and the ECT is less than or equal to 6°C (10.8°F).
The ambient air temperature is between 4–30°C (39–86°F).
The fuel level is between 15–85 percent.

Complete System Set Procedure:
Ensure that the vehicle meets the conditions for a cold start listed above.

The evaporative emission inspection/maintenance system status indicator should display YES.

The O2S Heater inspection/maintenance system status indicator should display YES (If no, then ignition off for 10hours)

Turn OFF all accessories; HVAC system, other electrical loads, including aftermarket/add-on equipment, etc.

Set the vehicle parking brake and ensure the vehicle is in Park for automatic transmission

Turn OFF all accessories; HVAC system, other electrical loads, including aftermarket/add-on equipment, etc.

Start and idle the engine for at least 2 minutes **and** until 65°C (149°F) is achieved.

Run the engine for 6.5 minutes within the following conditions:
-- MAF parameter between 4–30 g/s
-- Engine speed steady between 1,000–3,000 RPM

Return the engine to idle for 1 minute.

Apply and hold the brake pedal, and shift to Drive for automatic transmission -- and operate the vehicle within the following conditions for 2 minutes:
-- Depress the accelerator pedal until throttle position sensor angle is more than 2 percent.
-- Mass air flow signal between 15–30 g/s
-- RPM steady between 1,200–2,000 RPM

Release the accelerator pedal and shift the vehicle to Park for automatic transmission, and allow the engine to idle for 2 minutes.

Quickly depress the accelerator pedal until throttle position sensor angle is more than 8 percent and return to idle; repeat 3 times.

Allow engine to idle for at least 2 minutes

Release the parking brake and drive vehicle at 24 km/h (15 mph) or slower for 2 minutes.

Continue to drive the vehicle for at least 5.5 miles between 45–112 km/h (28–70 mph) with the vehicle reaching at least 80 km/h (50 mph).

Release the accelerator pedal for at least 2 seconds. This will allow the vehicle to enter decel fuel cut-off.

Depress the accelerator pedal until the throttle position sensor angle is increased 3–20 percent and maintain a safe speed for 1 minute.

Safely stop the vehicle, with the engine in Drive for automatic transmission, idle for 2 minutes.

Shift to Park for automatic and apply the parking brake

Turn OFF the ignition and exit the vehicle. Do NOT disturb the vehicle for 60 minutes.

Observe the Inspection/Maintenance System Status with a scan tool. All of the Inspection/Maintenance System Status indicators should display YES.

Observe the I/M Test DTC information with a scan tool. Verify there are no I/M Test DTCs present.

Observe the engine DTC information with a scan tool. Verify no DTCs are present




Inspection/Maintenance Complete System Set Procedure

Diagnostic Instructions

Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure.
Review Strategy Based Diagnosis for an overview of the diagnostic approach.
Diagnostic Procedure Instructions provides an overview of each diagnostic category.
Description

The purpose of the Inspection/Maintenance Complete System Set Procedure is to satisfy the enable criteria necessary to execute all of the I/M readiness diagnostics and complete the drive cycles for those particular diagnostics. When all I/M monitored diagnostic tests are completed, the I/M System Status indicators are set to YES. Perform the Inspection/Maintenance Complete System Set Procedure if any I/M System Status indicators are set to NO.
Conditions for Meeting a Cold Start

The ignition voltage between 11–18 volts.
The barometric pressure is more than 75 kPa.
The start-up engine coolant temperature is between 4–30°C (39–86°F).
The start-up intake air temperature is between 4–30°C (39–86°F).
The difference between the IAT and the ECT is less than or equal to 6°C (10.8°F).
The ambient air temperature is between 4–30°C (39–86°F).
The fuel level is between 15–85 percent.
Circuit/System Verification

Verify that all I/M System Status indicators report YES, and that no I/M Test DTCs are present.
If any I/M Test DTCs are set
Refer to Diagnostic Trouble Code (DTC) List - Vehicle.
If no I/M Test DTCs are set
All OK.
Inspection/Maintenance System Set Procedure

NOTE
Note
Whenever the ignition is turned ON, ignition positive voltage is supplied to the heated oxygen sensor (HO2S) heaters. After verifying the enable criteria, turn OFF the ignition for approximately 5 minutes to allow the sensors to cool before continuing with the test. Once the engine is started, do NOT turn the engine OFF for the remaining portion of the set procedure.
1. --> Ensure that the vehicle meets the conditions for a cold start listed above.
The evaporative emission inspection/maintenance system status indicator should display YES.
If the inspection/maintenance system status indicator displays NO, perform the Service Bay Test, if applicable. If the Service Bay Test is NOT available, it may take up to 6 drive cycles, with up to 17 hours between drive cycles, for the inspection/maintenance system status indicator to transition to YES.
The O2S Heater inspection/maintenance system status indicator should display YES.
If the O2S Heater inspection/maintenance system status indicator displays NO, ensure that the ignition has been turned OFF for at least 10 hours.
Turn OFF all accessories; HVAC system, other electrical loads, including aftermarket/add-on equipment, etc.
Set the vehicle parking brake and ensure the vehicle is in Park for automatic transmission or Neutral for manual transmission.
Turn OFF all accessories; HVAC system, other electrical loads, including aftermarket/add-on equipment, etc.
Start and idle the engine for at least 2 minutes and until 65°C (149°F) is achieved.
Run the engine for 6.5 minutes within the following conditions:
MAF parameter between 4–30 g/s
Engine speed steady between 1,000–3,000 RPM
Return the engine to idle for 1 minute.
Apply and hold the brake pedal, and shift to Drive for automatic transmission, or apply the clutch pedal for manual transmission and operate the vehicle within the following conditions for 2 minutes:
Depress the accelerator pedal until throttle position sensor angle is more than 2 percent.
Mass air flow signal between 15–30 g/s
RPM steady between 1,200–2,000 RPM
NOTE
Note
DO NOT touch the accelerator pedal during the idle period. A change in throttle position sensor angle or an increase in engine speed may invalidate this portion of the test.
11. --> Release the accelerator pedal and shift the vehicle to Park for automatic transmission, or Neutral and release the clutch pedal for manual transmission, and allow the engine to idle for 2 minutes.
Quickly depress the accelerator pedal until throttle position sensor angle is more than 8 percent and return to idle, repeat 3 times.
Allow engine to idle for at least 2 minutes.
WARNING
Warning
Refer to Road Test Warning.
14. --> Release the parking brake and drive vehicle at 24 km/h (15 mph) or slower for 2 minutes.
Continue to drive the vehicle for at least 5.5 miles between 45–112 km/h (28–70 mph) with the vehicle reaching at least 80 km/h (50 mph).
Release the accelerator pedal for at least 2 seconds. This will allow the vehicle to enter decel fuel cut-off.
Depress the accelerator pedal until the throttle position sensor angle is increased 3–20 percent and maintain a safe speed for 1 minute.
Safely stop the vehicle, with the engine in Drive for automatic transmission or in Neutral with the clutch pedal depressed and parking brake applied for manual transmission, idle for 2 minutes.
Shift to Park for automatic and apply the parking brake, or neutral and release clutch pedal for manual.
NOTE
Note
Do NOT disturb the vehicle or turn ON the ignition until told to do so. Disturbing the vehicle may invalidate this portion of the test.
Turn OFF the ignition and exit the vehicle. Do NOT disturb the vehicle for 60 minutes.
Observe the Inspection/Maintenance System Status with a scan tool. All of the Inspection/Maintenance System Status indicators should display YES.
If the evaporative emission Inspection/Maintenance System Status indicator displays NO, turn OFF the ignition for 17 hours, ensure that the vehicle meets the conditions for a cold start, and repeat steps 12–18 six more times, or until the evaporative emission Inspection/Maintenance System Status indicator transitions to YES. If the indicator continues to display NO, refer to the Inspection/Maintenance (I/M) System DTC Table to identify the DTCs that did not run. Follow the Conditions for Running the DTC in order to set the evaporative emission Inspection/Maintenance System Status indicator
If any of the Inspection/Maintenance System Status display NO, refer to the Inspection/Maintenance (I/M) System DTC Table for the indicator which did not display YES. The Inspection/Maintenance System DTC Table identifies the DTCs associated with each Inspection/Maintenance System Status Indicator. Follow the Conditions for Running the DTC in order to set the associated status indicator.
NOTE
Note
An I/M Test DTC will not be stored or erased from the ECU except at the end of trip processing which occurs 5 s after ignition OFF.
Observe the I/M Test DTC information with a scan tool. Verify there are no I/M Test DTCs present.
If an I/M Test DTC is set, diagnose the DTC using the Diagnostic Trouble Code (DTC) List - Vehicle and refer to Inspection/Maintenance System Check for clearing I/M Test DTCs.
If an I/M Test DTC is set and the I/M System Status indicators are NO, diagnosis the DTC and perform the Inspection/Maintenance Complete System Set Procedure.
Observe the engine DTC information with a scan tool. Verify no DTCs are present.
If a DTC is set, diagnose using the Diagnostic Trouble Code (DTC) List - Vehicle. After repairs, perform the Inspection/Maintenance Complete System Set Procedure to verify no further DTCs are set.





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Inspection/Maintenance (I/M) System DTC Table

Inspection/Maintenance (I/M) System DTC Table
System
DTCs Required to Set System Status to YES
If an inspection/maintenance system status indicator did NOT update to YES during the Inspection/Maintenance Complete System Set Procedure , review each indicator and reference this table to determine each DTC associated with the inspection/maintenance system status indicator. Each DTC listed below has specific conditions that must be met for the diagnostic to run. Included within the conditions are additional DTCs which, if set, may inhibit the DTCs listed below from running. Reviewing and operating the vehicle within the Conditions for Running for each DTC listed below will allow the inspection/maintenance system status indicators to transition to YES.
Catalyst
DTC P0420 or P0430
EGR/CMP
DTC P0011
Evaporative Emission
DTC P0442
DTC P0446
DTC P0455
Fuel Systems
DTC P219A or P219B
Oxygen Sensor
DTC P0133, P013A-P013F, P014A, P014B, P0153, P015A, P015B, P015C, or P015D
DTC P0134, P0140, P0154, or P0160
DTC P2270 or P2272
DTC P2271 or P2273
Oxygen Sensor Heater
DTC P0030, P0036, P0050, P0053, P0054, P0056, P0059, P0060, P0135, P0141, P0155, or P0161

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Catalyst

DTC P0420 or P0430

Diagnostic Instructions

Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure.
Review Strategy Based Diagnosis for an overview of the diagnostic approach.
Diagnostic Procedure Instructions provides an overview of each diagnostic category.
DTC Descriptors

DTC P0420
Catalyst System Low Efficiency Bank 1
DTC P0430
Catalyst System Low Efficiency Bank 2
Circuit/System Description

A 3-way catalytic converter controls emissions of hydrocarbons, carbon monoxide (CO) and nitrogen oxide (NOx). The catalyst within the converter promotes a chemical reaction, which oxidizes the hydrocarbons and the CO that are present in the exhaust gas. This process converts the hydrocarbons and the CO into water vapor and carbon dioxide (CO2), and reduces the NOx, converting the NOx into nitrogen. The catalytic converter also stores oxygen. The ECM monitors this process by using a heated oxygen sensor (HO2S) that is in the exhaust stream after the 3-way catalytic converter. The HO2S 2 produces an output signal that the ECM uses to calculate the oxygen storage capacity of the catalyst. This indicates the ability of the catalyst to convert the exhaust emissions efficiently. The ECM monitors the efficiency of the catalyst by allowing the catalyst to heat, then wait for a stabilization period while the engine is idling. The ECM then adds and removes fuel while monitoring the HO2S 2. When the catalyst is functioning properly, the HO2S 2 response to the extra fuel is slow compared to the response of the HO2S 1, which is located before the 3-way catalytic converter. When the HO2S 2 response is near that of the HO2S 1, the oxygen storage capability and efficiency of the catalyst may be degraded below an acceptable threshold.
Conditions for Running the DTC

DTC P0030, P0031, P0036, P0037, P0038, P0068, P0106, P0107, P0108, P0112, P0113, P0117, P0118, P0120, P0121, P0122, P0123, P0125, P0128, P0130, P0131, P0132, P0133, P0134, P0135, P0136, P0137, P0138, P0140, P0141, P0171, P0172, P0201, P0202, P0203, P0204, P0205, P0206, P0207, P0208, P0220, P0300, P0315, P0326, P0327, P0336, P0340, P0341, P0442, P0446, P0452, P0453, P0455, P0496, P0500, P0502, P0506, P0507, P0601, P0602, P0606, P0641, P0722, P0723, P1133, P1134, P1516, P1621, P2135, P2138, or P2176 is not set.
Before the ECM performs the idle test, the vehicle must be driven under the following conditions:
The engine speed is greater than 1,300 RPM.
The engine run time is greater than 100 s.
Both conditions exist for greater than 16 s.
The vehicle speed is less than 1.6 km/h (1 mph).
The throttle position is less than 2 %.
The Mass Air Flow (MAF) is between 2–21 g/s.
The engine is operating in Closed Loop.
The fuel trim learn is enabled.
The Engine Coolant Temperature (ECT) is between 45–129°C (113–264°F).
The Barometric Pressure (BARO) is greater than 70 kPa.
The Catalytic Converter Calculated Temperature parameter is between 600–900°C (1,112–1,652°F) for greater than 6 min.
The Intake Air Temperature (IAT) is between −20 and +250°C (−4 and +482°F).
The battery voltage is greater than 11 V.
The transmission is in Drive Range—Automatic transmissions only.
The short term fuel trim is between −10 and +10 %.
The engine is idling for less than 50 s.
This diagnostic attempts one test during each valid idle period when the above conditions have been met. This diagnostic attempts up to 8 tests during each drive cycle.
Conditions for Setting the DTC

The ECM has determined the catalyst efficiency has degraded below a calibrated threshold.
Action Taken When the DTC Sets

DTCs P0420 and P0430 are Type A DTCs.
Conditions for Clearing the MIL/DTC

DTCs P0420 and P0430 are Type A DTCs.
Reference Information

DTC Type Reference
Powertrain Diagnostic Trouble Code (DTC) Type Definitions
Scan Tool Reference
Control Module References for scan tool information
Circuit/System Verification

Ignition ON.
Verify there are no other DTCs set.
If a DTC is set
Refer to Diagnostic Trouble Code (DTC) List - Vehicle.
If a DTC is not set
Operate the vehicle within the Conditions for Running the DTC.
Verify the scan tool Catalyst Monitor Not At Idle Test Conditions Met parameter changes to Yes.
If Yes is not displayed
Refer to step 3.
If Yes is displayed
When the conditions are safe, stop and idle the vehicle in gear (If equipped with automatic transmission) or neutral (If equipped with manual transmission).
Verify the Catalyst Monitor Test Result Bank 1 and Bank 2 parameters display Pass when performing the steps listed below:
Apply the service brake.
Monitor the scan tool Catalyst Monitor Test State parameter. When the parameter indicates Active, the Catalyst Monitor Test is running.
NOTE
Note
When the test has completed, the Catalyst Monitor Test Counter Bank 1 and Bank 2 parameters will increment by one and the Catalyst Monitor Test Result Bank 1 and Bank 2 parameters will indicate Passed, Failed or No Result.
Continue to monitor the parameter. When the parameter indicates Inactive, the Catalyst Monitor Test has completed.
If the Catalyst Monitor Test Result Bank 1 or Bank 2 parameter indicates No Result
Repeat steps 3–6 until the Test Result parameters indicate Passed or Failed
If the Catalyst Monitor Test Result Bank 1 or Bank 2 parameter indicates Failed
Refer to Circuit /System Testing
If the Catalyst Monitor Test Result Bank 1 and Bank 2 parameters indicate Pass
All OK.
Circuit/System Testing

Verify the conditions listed below do not exist with the appropriate catalytic converter:
Dents
Severe discoloration caused by excessive temperatures
Road damage
Internal rattles caused by damaged catalyst substrate
Restrictions
If a condition is found
Replace the catalytic converter
If no condition is found
Verify the conditions listed below do not exist with the exhaust system:
Leaks
Physical damage
Loose or missing hardware
If a condition is found
Repair or replace the component as necessary.
If no condition is found
Verify the conditions listed below do not exist with the appropriate B52B heated oxygen sensor 2:
The HO2S is not at the correct torque
Damage
If a condition is found
Replace the B52B heated oxygen sensor 2 or repair the condition as necessary.
If no condition is found
Test or replace the catalytic converter.
Repair Instructions

NOTE
Note
A new converter with less than 161 km (100 mi) on it may set DTC P0420 or P0430 due to out-gassing of the internal matting. Operating the vehicle at highway speeds for approximately 1 h may correct the condition.
Catalytic Converter Replacement - Left Side
Catalytic Converter Replacement - Right Side
Heated Oxygen Sensor Replacement - Bank 1 Sensor 2
Heated Oxygen Sensor Replacement - Bank 2 Sensor 2
Perform the HO2S Heater Learn procedure with a scan tool after replacing an HO2S.
Exhaust Leakage
Restricted Exhaust
Repair Verification

Install any components that have been removed or replaced during diagnosis.
Perform any adjustments, programming or setup procedures that are required when a component is removed or replaced.
Clear the DTCs with a scan tool.
Turn OFF the ignition for 60 s
Operate the vehicle within the Conditions for Running the DTC.
Verify the scan tool Catalyst Monitor Not At Idle Test Conditions Met parameter changes to Yes.
If Yes is not displayed
Refer to step 5.
If Yes is displayed
When the conditions are safe, stop and idle the vehicle in gear (If equipped with automatic transmission) or neutral (If equipped with manual transmission).
Verify the Catalyst Monitor Test Result Bank 1 and Bank 2 parameters display Pass when performing the steps listed below:
Apply the service brake.
Monitor the scan tool Catalyst Monitor Test State parameter. When the parameter indicates Active, the Catalyst Monitor Test is running.
NOTE
Note
When the test has completed, the Catalyst Monitor Test Counter Bank 1 and Bank 2 parameters will increment by one and the Catalyst Monitor Test Result Bank 1 and Bank 2 parameters will indicate Passed, Failed or No Result.
Continue to monitor the parameter. When the parameter indicates Inactive, the Catalyst Monitor Test has completed.
If the Catalyst Monitor Test Result Bank 1 or Bank 2 parameter indicates No Result
Repeat steps 5–8 until the Test Result parameters indicate Passed or Failed
If the Catalyst Monitor Test Result Bank 1 or Bank 2 parameter indicates Failed
Refer to Circuit /System Testing
If the Catalyst Monitor Test Result Bank 1 and Bank 2 parameters indicate Pass
All OK.




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Oxygen Sensor
DTC P0133, P013A-P013F, P014A, P014B, P0153, P015A, P015B, P015C, or P015D

Diagnostic Instructions

Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure.
Review Strategy Based Diagnosis for an overview of the diagnostic approach.
Diagnostic Procedure Instructions provides an overview of each diagnostic category.
DTC Descriptors

DTC P0133
HO2S Slow Response Bank 1 Sensor 1
DTC P013A
HO2S Slow Response Rich to Lean Bank 1 Sensor 2
DTC P013B
HO2S Slow Response Lean to Rich Bank 1 Sensor 2
DTC P013C
HO2S Slow Response Rich to Lean Bank 2 Sensor 2
DTC P013D
HO2S Slow Response Lean to Rich Bank 2 Sensor 2
DTC P013E
HO2S Delayed Response Rich to Lean Bank 1 Sensor 2
DTC P013F
HO2S Delayed Response Lean to Rich Bank 1 Sensor 2
DTC P014A

[camguynj]

You need a tune for the new cam, only way!

[crazyhorse]

Yes sir. My son and I did the engine work, GPI in Arkansas tuned it. Stage3 vvt GPI cam, ported heads/tb/manifold(with mod rod). Stainless works LTH, cats, catback — very happy with it. 502whp/435tq. Their Dyno. Amazing guys by the way. Im in DFW and can’t pass inspection bc o2 monitor and catalyst monitor wont complete — all other tests did complete. GM is going to get somebody killed with this drive test. Just ran it, waiting the 60mins. If it worked I will post back if not might have to drive to AR.

[crazyhorse]

no codes on OBD2 scanner, by the way and put new AC Delco O2 sensors in about 600miles ago (yes studied and got the right ones)

[crazyhorse]

Stainless Power exhaust stuff by the way, the chinese version. I have a CD3800TC, 391 gears,TT diff if any of that matters. Anyway the Procedure **failed**, did not “complete” 02 monitor (heater is complete but not monitor) OR the catalytic monitor. I read sometime rear o2’s are sometimes disabled in performance stuff, but I think then o2/cat monitors NEVER complete. And i am not throwing ANY codes! Zero.

Also read somewhere high flow cats cant “complete” bc the computer thinks the cat is too inefficient? Basically no matter what procedure one does. Does anyone know if this is true?

[camguynj]

The rear O2s should have been turned off in the tune. Ask them if they were. Also check these out. Fixed my problem after I added HF cats prior to getting tuned for my cam

http://www.bigdaddiesgarage.com/angled-cel-fix.html

[crazyhorse]

so my problem isnt CEL codes. it is oxygen monitor and catalytic converter monitor “INCOMPLETE” on scanner tool “INC”. (1) will biog daddie oxygen sensor cel fix allow my o2 monitor and cat monitor to complete? (2) i thought disabling the rear sensors would make “completing” the oxygen monitor impossible?

pls list the steps you suggest

[crazyhorse]

and thank you

[camguynj]

Originally Posted by crazyhorse

so my problem isnt CEL codes. it is oxygen monitor and catalytic converter monitor “INCOMPLETE” on scanner tool “INC”. (1) will biog daddie oxygen sensor cel fix allow my o2 monitor and cat monitor to complete? (2) i thought disabling the rear sensors would make “completing” the oxygen monitor impossible?

pls list the steps you suggest

Don’t know why readiness monitors won’t clear if you don’t have any cels and completed a drive cycle
ask tuner. So not sure if BigDaddies will help. How many miles ago did you last have a code?

[crazyhorse]

It's been about 600miles since I reset codes w/ my scanner (and lost all progress on monitors) and I cant even remember why I did - oh i fried my o2 sensors that came with my Speed Engineering (i feel like an idiot i couldnt remember my exhaust system brand) LTH/Cats/Catback. I was trying to "test" them bc my O2 and cat monitors would not complete.

So I Did the propane torch trick along with a multimeter, NOT A GOOD IDEA. Sure the voltage went 0-900mv but as soon as i started the car it sputtered something awful, got 2 new AC delco upstream O2 sensors and 2 new downstream. Impossible to put them in backwards bc of the different harness connector shapes.

TBH i can never "do" one of these drive cycles perfectly. Like i'll hit 62 mph or get below 28mph or the RPMs wont be perfect. Or how the hell am i supposed to be able to get to the highway immediately after the idling section (in the standard GM procedure *and* the more detailed one from the manual)? Does everything have to be done in EXACT order, or can you drive some between sections?

**I got extenders (gonna try the $14 pair on Amazon first cuz they get here in the AM), thank you VERY much for that input. Research on that looks very promising! **

If that doesn't work I'll try placing the downstream O2 sensors a few inches further downstream rn they are about 2" off of the cat end (not too dissimilar from stock I might add but maybe this is too close for HFCs).

I'll install the extenders tomorrow and post results in a week or so of driving, and a few more attempts on both the standard GM and the more complicated drive cycle procedure from the 2013 camaro manual that i posted.

i emailed my tuner he said he disabled NOTHING so the monitors should complete.

Really appreciate your help camguyNJ!

[camguynj]

Good luck! Also check this out … it suggests a weak battery could be the reason readiness monitors won’t ready

https://repairpal.com/drive-cycle-is...0drive%20cycle.

[crazyhorse]

no pending codes either got a scanner that checks --
https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1

next steps:
1. replace battery
2. remove performance 165 degree thermostat (some site said heating up a little more slowly might matter for the drive cycle)
3. install spark plug extenders on rear o2 sensors

thank you for all ur help! will check back. no codes, no pending codes, and o2 sensor monitor / cat converter monitor BOTH wont complete, making me nuts - read that the cat wont complete without the o2 so focused there first