Was just at DEQ here in Oregon to get emissions tested and get new tags. There machine was saying that EGR was unsupported. So I am wondering if I zip-ty the egr valve under the hood with the appropriate plug connected to it, will this problem go away. Probably should tie the air control valve plugged in some where as well. They suggested to me that Chrysler had a recall to update the EGR portion of the program to address this issue. That is not an option for me with my GDE tune. Anyone else run into this problem?

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2006 Liberty CRD 275K, JBA 2.5 with Fox Shocks, GDE Turbo Kit, GDE TCM Tune, Suncoast TC, OEM fuel filter housing converted to fit Caterpillar Fuel Filter 1R-0749, OEM themostat housing modified to accept Hemi 203 F thermostat.

What does EGR unsupported mean?
Do they know its a diesel?

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U.S. Army Retired

It may just sense that the plug isn't connected to anything even though there is not a code set. Going to try going through Thursday with stuff plugged in and hanging, will update if it works. They knew it was a diesel, this time....

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2006 Liberty CRD 275K, JBA 2.5 with Fox Shocks, GDE Turbo Kit, GDE TCM Tune, Suncoast TC, OEM fuel filter housing converted to fit Caterpillar Fuel Filter 1R-0749, OEM themostat housing modified to accept Hemi 203 F thermostat.

You could connect a load resistor, the same resistance as the EGR solenoid, to the connector that would normally plug into the ERG valve.
It would be electrically the same as the EGR solenoid and therefore undetectable to any electronic testing.

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U.S. Army Retired

Tried today but still no pass. I am wondering since the egr valve is not grounded to the motor if this makes it not function? I think I am going to have to register my vehicle outside the DEQ zone so I do not have worry about this in the future.

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2006 Liberty CRD 275K, JBA 2.5 with Fox Shocks, GDE Turbo Kit, GDE TCM Tune, Suncoast TC, OEM fuel filter housing converted to fit Caterpillar Fuel Filter 1R-0749, OEM themostat housing modified to accept Hemi 203 F thermostat.

I think the problem is their test equipment.

The SEGR kits from years ago electrically duplicated the function of the EGR valve and told the ECM that everything was ok, allowing the EGR to be completely disconnected. Inside the SEGR was a load resistor that had a resistance/wattage equal to the solenoid of the EGR.

Post this question over in the CRD section. Others have had issues with inspections and gotten them to pass.

I suspect the tester is looking for some feature that is not supported by the ECM.
Because you have the GDE tune, GDE may be able to offer some assitance.

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U.S. Army Retired

Is the maf unplugged or not functioning by chance? It's going to check the maf to see if the EGR is effecting the flow rate into the engine.

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2006 CRD - GTB2056 turbo by Dieselguy86, Eco Trans Tune, Lift Pump, Week's, HDS Tstat, Racor Filter, ARP's, OME 790's+Top Plate, JBA 2.5", JBA UCA, Moab's+265/75R16, ARB Bull Bar, 4.10's, TrueTracs

Everything is plugged in, but still won't pass. Going to try different test station tomorrow.

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2006 Liberty CRD 275K, JBA 2.5 with Fox Shocks, GDE Turbo Kit, GDE TCM Tune, Suncoast TC, OEM fuel filter housing converted to fit Caterpillar Fuel Filter 1R-0749, OEM themostat housing modified to accept Hemi 203 F thermostat.