E.G.R. Valve
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Junior User
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E.G.R. Valve
I'M trying to figure out why my truck is running rough and wont go over 30 and i read a information article a bought a E.G.R valve on abought .com and they said it would make your truck rough idle and bucking upon acceleration would this screw up your truck thank you
Last edited by cosmo10; Sep 4, 2010 at 02:25 PM. Reason: claravaction
Cargo Master
Joined: Oct 2008
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From: Elyria, OH
if that year is a Fuel injected motor then you can go to fordfuelinjection.com and see how to pull the codes from the computer.
Der Postmeister
Joined: Sep 2006
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From: Long Beach, Calimexiforia
Still has an ECU & can be scanned. 87'351 = carbed. 87' 302 = EFI.
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Junior User
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dont know what a E.C.U is
my 1987 ford has a 4180 holly 4 barrel defiantly no efi its old school engine carburetor coil battery starter starter solenoid on the fire wall electronic ignition and a ton of smog **** and a million vacuum lines
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Der Postmeister
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Der Postmeister
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From: Long Beach, Calimexiforia
Ford's run ECU's (computers) since 84'. You my actually have an variant, called an MCU, but the connector's the same.
Der Postmeister
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From: Long Beach, Calimexiforia
The actual mcu or ecu unit is usually behind the drivers side kick panel in the cab. The test port, as mentioned, on the engine compartment driver side fender well.
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Junior User
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OK thanks for the info i looked all i see is a gray round plug that doesn't go any were and a couple of big round plugs leading from the what i wont to call the ignition modular i would post a pic but i dont know were or if i can post it
New User
Joined: Dec 2006
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I have a 97 F 250. My port or plug for the code reader attached to the bottom of the dash just to the right of the steering column. It's rectangular and should have a cover on it. What i have found out so far is you should check the "Differential Pressure Sensor" before replacing the EGR valve. i can't tell you where that is yet butI'm working on it. The ccode on my truck is P0402
Elder User
Joined: Jun 2007
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From: Humble,Tx
problem with your 97 is your talking about a completely redesigned truck running a OBD2 based system this truck in question is running OBD1 circa 81-95 & OBD2=96-Present. On my 19990 theres a cover it slides up into and snaps into place on the breather box. however on my 1987 it's exactly like they've said it's on the fender well Drivers side
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