External fuel pump
Mountain Pass
Joined: Jun 2012
Posts: 183
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I also have this thing he is describing, I think. I can try to take a picture of it later.
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May be. It may be it was designed to cover the solenoids.
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Happy I can share something (finally) that I know a little something about!
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I do not. Question for you though: Is it your "death star" that is in use or the original?
Cargo Master
Joined: Jun 2013
Posts: 3,176
Likes: 15
From: Somewhere n North America
Original ID/N E5TE-9E453-AC, this part has a check valve built into the reservoir. So if Steve blew high pressure into the Intake manifold side of the reservoir, he most likely popped the check valve diaphram.
He can put an inline check valve in the right direction, attached to the “Red” hose to fix this issue.
He can put an inline check valve in the right direction, attached to the “Red” hose to fix this issue.
Last edited by vjsimone; Jul 22, 2016 at 10:26 PM. Reason: Modify text
Cargo Master
Joined: Jun 2013
Posts: 3,176
Likes: 15
From: Somewhere n North America
Vincent -
The new O2 sensor is in. I grounded very near the sensor to the exhaust flange that connects on of the headers to a pipe, and to the frame. I filed the frame to ensure good contact. Reading is a constant .2.
Codes are still 41 and 34. I'm going to take it for a ride and test again. I'll let you know if the results change.
By the way, if you remember there are two hoses that connect to the vacuum reservoir, one red, one black. Can't remember if we determined yesterday if there is suction in the red hose. There is plenty of suction. I tested it.
I can hear the replies now...
Steve
The new O2 sensor is in. I grounded very near the sensor to the exhaust flange that connects on of the headers to a pipe, and to the frame. I filed the frame to ensure good contact. Reading is a constant .2.
Codes are still 41 and 34. I'm going to take it for a ride and test again. I'll let you know if the results change.
By the way, if you remember there are two hoses that connect to the vacuum reservoir, one red, one black. Can't remember if we determined yesterday if there is suction in the red hose. There is plenty of suction. I tested it.
I can hear the replies now...
Steve
The “Red” hose goes to the taller plastic port/hose connection on the Reservoir. Normally you can suck on that tit, but you cannot blow into it.
You could put an in-line check valve in the right direction, attached to the “Red” hose to fix this issue. They are available via any auto parts shop. You just need that valve, and 1 piece of hose to make it fit.
Last edited by vjsimone; Jul 22, 2016 at 11:31 PM. Reason: Modify text
Cargo Master
Joined: Jun 2013
Posts: 3,176
Likes: 15
From: Somewhere n North America
CM codes do not clear so you must be talking about the KOEO or KOER code 34:
Service Code 34 in Key On Engine Off or Engine Running Self-Test indicates that the EGR valve and/or EGR Valve Position (EVP) sensor may not be fully seated in the closed position. The EVP sensor voltage is greater than the closed limit voltage of 0.67 volts. Because of the preload on the installed EVP sensor, it is very difficult to determine whether the EGR valve is seated or the EVP sensor is in contact with the EGR valve stem.
Possible causes:
-- Poor continuity in EVP sensor harness.
-- Non-seated EGR valve.
-- Damaged EGR valve.
-- Damaged EVP sensor.
-- Damaged EVR solenoid.
-- Damaged processor.
Service Code 34 in Key On Engine Off or Engine Running Self-Test indicates that the EGR valve and/or EGR Valve Position (EVP) sensor may not be fully seated in the closed position. The EVP sensor voltage is greater than the closed limit voltage of 0.67 volts. Because of the preload on the installed EVP sensor, it is very difficult to determine whether the EGR valve is seated or the EVP sensor is in contact with the EGR valve stem.
Possible causes:
-- Poor continuity in EVP sensor harness.
-- Non-seated EGR valve.
-- Damaged EGR valve.
-- Damaged EVP sensor.
-- Damaged EVR solenoid.
-- Damaged processor.