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#1
03-16-2007, 09:30 PM
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91 300E fault code 16
Background:
About a month ago, took the car into the mechanic for the check engine light. He said it was the ERG, checked the valve and said the valve was OK. He then cleared the line by blowing some compressed air into the line. He said if the light went on again, he would replace the line. The bill was $200. Sure enough, the light comes on again, about a week later. This time, with the help of this forum, I cleaned the line out myself "roto -style " with a wire cable and drill. Lots of black stuff came out, and she actually ran better, perhaps my imagination? Reset the check engine light by disconnecting the battery. Suddenly, the check engine light comes on again this week. Now that I learned where and how to read the codes, the flashing fault code is 16. Is 16 related to the ERG, like the valve is truly faulty, or is it something else, like a wiring harness problem?
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1991 300E 124.030 103.983KE 722358 03 412178 207K 1979 240D 123.123 250K (Project car) 2000 Ford Ranger, 187K 2015 Dodge Ram 1500 EcoDiesel 37K Last edited by mbzr4ever; 03-16-2007 at 11:43 PM. 
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#3
03-16-2007, 11:28 PM
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OK, thanks. What a PITA this erg thing is, wish I could just disconnect the darn thing....
Another idea I found: Before you try to clean the valve which probably os ok.... test it 1st. Have the engine at idle. Disconnect the hose from the valve. Apply vacuum to the valve with a hand pump if you have access to one. If not, you can get manifold vacuum from the nipple on top of #6 intake runner. With vacuum opening the egr valve, your idle should be very rough. If yes: you have a tired catalytic convertor. If no: 9 out of 10 times, the tube is plugged between the valve and intake. http://cars.mylounge.com/archive/index.php/t-134847.html Comments?
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1991 300E 124.030 103.983KE 722358 03 412178 207K 1979 240D 123.123 250K (Project car) 2000 Ford Ranger, 187K 2015 Dodge Ram 1500 EcoDiesel 37K Last edited by mbzr4ever; 03-16-2007 at 11:56 PM.
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#4
03-17-2007, 10:43 AM
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#5
03-17-2007, 10:44 AM
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EGR code 16 simply means the EGR system is not working. You want to check the SOV and vac line feeding the EGR . If that has no vac , you will have no egr valve actuation.
The EGR test you mention is egr flow test by you manually open/closing EGR..if that attempts to stall engine, you know the valve and passage to the intake are OK, but you do not know if you have vac/sig to operate the valve b/c your manual test by-passes those inputs of the system.. Do you have the 16 or 8 pin diagnostic connector box??
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#6
03-17-2007, 01:39 PM
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Do the checks and see if all seem OK
May also be carboned up..a good run up a hill under load in 3rd may clean it up.
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#7
03-17-2007, 01:41 PM
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Quote:
__________________
1991 300E 124.030 103.983KE 722358 03 412178 207K 1979 240D 123.123 250K (Project car) 2000 Ford Ranger, 187K 2015 Dodge Ram 1500 EcoDiesel 37K
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#8
03-27-2007, 03:33 AM
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Light is still off, so we must have done something right...
__________________
1991 300E 124.030 103.983KE 722358 03 412178 207K 1979 240D 123.123 250K (Project car) 2000 Ford Ranger, 187K 2015 Dodge Ram 1500 EcoDiesel 37K
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