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Old 03-08-2018, 11:12 AM #1
Dezerts10 Dezerts10 is offline
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Obd2 code reader question
My scanguage always reads not ready and my other obd2 code reader has red, yellow and green indicators for the smog system status and it is always indicating yellow standby never green ready.

What could this indicate? It passed smog last year and has a new Evap canister.


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Old 03-08-2018, 11:38 AM #2
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Im not sure, but the only thing that comes to mind is have you reset ECU or unhooked battery for any install lately?
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Old 03-08-2018, 11:48 AM #3
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Here is some information on the required drive cycle to set all of your monitors.

https://www.toyotaparts.metro-toyota...T-EG02-003.pdf
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File Type: pdf READINESS_MONITOR_DRIVE_PATTERNS_T-EG02-003.pdf (156.1 KB, 141 views)
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Old 03-08-2018, 12:55 PM #4
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Sometimes it takes a LONG time to reset. I'm on 160 miles after a battery disconnect and still not ready, and that includes freeway driving.
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Old 03-08-2018, 02:06 PM #5
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I don’t drive on the freeway, I’ll have to explore that link above to see what I can find out


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Old 03-08-2018, 02:53 PM #6
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The EVAP and the Cat monitors seem to take the longest to set. For me my EVAP not setting for 2 months ended up being a bad gas cap.

I don't think that the EVAP will test when it's really cold out. I know my Saturn won't test EVAP until temps are above 40 degrees.


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Old 03-08-2018, 10:27 PM #7
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I think I changed the gas cap right around the time I changed the evap canister


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Old 05-03-2018, 10:24 AM #8
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Registration came in and had to get my truck smog tested. Scan gauge read not ready when I dropped it off but smog station owner said his computer said everything was ready when he tested it and it passed. Plugged the scan gauge back in this morning and it read ready 🤷🏼*♂️


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Old 05-03-2018, 01:43 PM #9
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Quote:
Originally Posted by Dezerts10 View Post
Registration came in and had to get my truck smog tested. Scan gauge read not ready when I dropped it off but smog station owner said his computer said everything was ready when he tested it and it passed. Plugged the scan gauge back in this morning and it read ready 🤷🏼*♂️


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Time for a new code reader.
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Old 05-03-2018, 03:39 PM #10
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Quote:
Originally Posted by Dezerts10 View Post
Registration came in and had to get my truck smog tested. Scan gauge read not ready when I dropped it off but smog station owner said his computer said everything was ready when he tested it and it passed. Plugged the scan gauge back in this morning and it read ready 🤷🏼*♂️


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Does Scanguage breakdown the different emission items into Ready/Not Ready as Torque does or is the Ready/Not Ready across the board?

Texas cities that test for smog (only the big ones do) allow 1 emission item to be in Not Ready status - your choice of which.
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Old 05-03-2018, 06:21 PM #11
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Does Scanguage breakdown the different emission items into Ready/Not Ready as Torque does or is the Ready/Not Ready across the board?



Texas cities that test for smog (only the big ones do) allow 1 emission item to be in Not Ready status - your choice of which.


The ScanGauge I have is just a generic ready-not ready.

In my state my 97 is allowed 2 readiness monitors to not be set. My 04 grand Cherokee is allowed 1 readiness monitor to not be set.


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Old 05-03-2018, 07:24 PM #12
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Quote:
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Time for a new code reader.


I might plug in my other reader that shows emission idiot lights


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Old 05-03-2018, 08:05 PM #13
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When I needed to pass smog I had to put on roughly 500 miles to get the monitors to reset on my previous 97.
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