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Getting readiness tests to run with dpf delete?

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Old 01-07-2014, 10:53 PM
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Getting readiness tests to run with dpf delete?

Just bought first diesel about a month ago. It's an 08 6.4 that already had from the manifolds back straight 4" exhaust dpf gearboxz delete chip. Everything works great and I'll never go back to a gas truck. Problem is I'm needing to get one of two readiness tests to run to to pass a certain test without putting the stock exhaust back on. Any suggestions or tricks? The two readiness tests not running are EGR and catalytic Thanks
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Old 01-08-2014, 06:12 PM
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Anyone out there? First post zero replies. Sweet site. Wicked helpful.
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Old 01-08-2014, 06:22 PM
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There is no magic unless you find it, if you have to pass emissions testing, you probably are going to put it back on to pass.
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Old 01-08-2014, 06:57 PM
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Thanks for the response bubba
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Old 01-08-2014, 07:33 PM
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passing without the emissions components will be difficult. Anyone you know that you can run it through first?

A lot of states also do a visual inspection so that may prove difficult to pass.
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Old 01-08-2014, 07:40 PM
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They've already visually okayed it and he said it only has to run one of those 2 tests to get the sticker
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Old 01-08-2014, 07:47 PM
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Didn't know if you could jumper wire a sensor to make it run a test or force a test with a scan tool then delete the fail code.
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Old 01-08-2014, 07:47 PM
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With the gear box z on a stock power setting and clean air filter it might pass at idle if they don't rev it.
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Old 01-08-2014, 08:15 PM
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It's got a relatively new h&s filter on it. Tried city driving, highway, and idle for long periods.
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Old 01-09-2014, 09:23 AM
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do they hook something up to your OBD II port and run the test? or do they put something in your tailpipe? how is the test conducted?
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Old 01-09-2014, 05:25 PM
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It's not a sniffer test. It's obd2 and it's reading egr test not ready and cat not ready
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Old 01-09-2014, 05:27 PM
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Only need 1 of the 2 to pass
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Old 01-10-2014, 07:00 AM
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It makes sense that those two are reading "not ready" if they are disabled. I guess you are looking for a way to trick the computer. I've never heard of or seen anything. I'm thinking you'll have to put it back to stock to pass those tests.
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Old 01-10-2014, 06:59 PM
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I figured that was the case. I was just hoping there was a way around putting that power and fuel sucking exhaust for a day just to take it right back off
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Old 01-11-2014, 06:42 PM
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IF you have a drive by test like CO does you could try driving by and letting completely off the pedal when you role by the tester. I've heard that is a way to get by them with gas engines at least.
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