does ecm = ecu? also how much are they and where can i get one? - TCCoA Forums
 
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post #1 of 10 (permalink) Old 07-22-2003, 11:21 AM Thread Starter
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does ecm = ecu? also how much are they and where can i get one?

does ecm = ecu? also how much are they and where can i get one?


also its a 94 4.6l and the junkyards keep asking me for the code #'s on the ecu..the car is at the shop right now and they charged 500$ just to check and see what was wrong and they found out it was the ecu and now they want another 495$ to replace it. any suggestions??


thanks


Brian

Last edited by Monk; 07-22-2003 at 11:28 AM.
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post #2 of 10 (permalink) Old 07-22-2003, 01:53 PM
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$500 for diagnostics sounds high, and so does $495 for a replacement, unless the quoted amounts are in Hong Kong dollars.

Ford's calls the computer that controls fuel flow rate and injectors the Powertrain Control Module (PCM)(that's what it sounds like you're asking about). I've been told that the Engine Control Unit (ECU) and Engine Control Module (ECM) are pretty much the same.

Replacements are generally special order parts, but, if you shop around, I'd think you can find them for less than what you were told. If you do order one yourself, the calibration code is required (this is on a label in the engine compartment - and is what the junkyards are asking for).

Last edited by IronChopz; 07-22-2003 at 02:01 PM.
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post #3 of 10 (permalink) Old 07-22-2003, 02:02 PM
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They charged you WHAT ? That is utterly ridiculous. I'd get my car outta there ASAP. How did they figure out the EEC was bad, anyway? Go to car-part.com or a similar place and find one cheap. You'll need a 94-95 4.6L version. The catch code isnt as important... the hardware is the same for the ones I listed, the only differences are the minor variations in software programming.

Though the manuals refer to them as PCM's, the programming is EEC-V (Electronic Engine Control , version 5) .. so we usually call them EECs. Each has their own. GM's call theirs PCMs, but its all the same thing.

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post #4 of 10 (permalink) Old 07-22-2003, 04:28 PM Thread Starter
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wow these guys are totally screwing us.. they said it needs a new ecm which cost 300$ (called ford and they want 270 walk in price) and then they want 185$ to install it and check to see if that was the problem... I thought when they testd the injector they flow tested it and checked to see if it was dirty but i guess they jsut checked the resistance and "it was within speck"...im pullin the car out of there asap before my bill is like 1500$ for a dirty injector... Screw the local place..shoulda took it to ford
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post #5 of 10 (permalink) Old 07-22-2003, 04:37 PM
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Did the guy ever check to see if there were codes? was the check engine light on before you took it in? I can pull out and swap EECs in 5 minutes, 6 if I'm standing around talking to people. Nothing about that costs $185. What happened that you took it to the shop in the first place?

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post #6 of 10 (permalink) Old 07-22-2003, 05:24 PM
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If somebody tried to run a scam on me like that I'm afraid it would be a bad day at black rock as I wouwd either be using my knife or.44 mag to debate with that mechanic ... get the car back 1st... get a lawyer... file in small claims court ...spread the word as to how you got ripped..... My God thats awful... Who and where is this outfit?
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post #7 of 10 (permalink) Old 07-22-2003, 10:54 PM Thread Starter
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no there were no codes, and the reason i took it in was becasue i thought it was a head gasket..it was billowing white smoke out the tail pipes..and from every car ive seen tat is getting too much fuel its black smoke and you can smell the gas. the smoke that was coming outa the pipes looked more like water vapor..so there was no way i was gonna mess with a head gasket. id rather pay someone 1000$ to do it then to have to do it myself. the place is in a small town close to mine..from what everyone says they do good work. i told them im getting the car out tommrow and that id fix it myself..and i work so i couldnt get there before 5:00..so they are charging me a 50$ overnight fee... i mean i dont know what i can do..i didnt think it would cost more then 150$ to find out what the problem is. now im stuf with a car that does the exact same thing as it did when i sent it in but im out 590$ no wait 640$..

also when i asked what caused the ecm to break they told me "well these things happen to older cars"
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post #8 of 10 (permalink) Old 07-23-2003, 06:54 AM
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Any place that charges you a storage fee for the 1st night after diagnostics is a rip off. Get your car out of there!

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post #9 of 10 (permalink) Old 07-23-2003, 07:24 AM
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You need to tell us the name of that shop and its location , so others can avoid it
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post #10 of 10 (permalink) Old 07-23-2003, 08:43 AM
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Monk,

A little extra fuel IE running rich will be black but the condition you have with an injector being held open produces lots of white smoke. Been there done that.....

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post #11 of 10 (permalink) Old 07-23-2003, 08:46 AM
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Monk, I hope you have money saved up, once you pay their rediculas prices they're going squeeze more and more. And doing it your self is the funnest (if thats a word) way.

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