July 13th 05, 11:44 PM
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On Tue, 12 Jul 2005 21:14:37 -0500, Lawson[rem0ve]news rearranged some
electrons to form:
> What codes are you referring to? Sorry, I am learning as I go.
>
> Lp
>
Trouble codes from the computer.
http://www.corral.net/tech/maintenance/eecivtest.html
> David M wrote:
>
>>On Tue, 12 Jul 2005 19:35:29 -0500, Lawson[rem0ve]news rearranged some
>>electrons to form:
>>
>>
>>
>>>Thank you.
>>>
>>>I have a custom install that I am trying to sort out. It uses a MAF
>>>sensor and a 1993 A3M computer. There is a jumper between the anti fuel
>>>relay and the eec power relay. I assume that is to defeat the gas shut-off.
>>>
>>>My son and I tracked down the wiring from a mustang wiring diagram. The
>>>engine is the forged piston year... i believe earlier than the wiring.
>>>
>>>The wiring for the lower portion like engine coolant sensor, throttle
>>>position, EGR valve position, barometric pressure, sensors all come from
>>>the 1989-90 diagram.
>>>
>>>The wiring to the computer for the upper part of the diagram comes from
>>>the 1991-93 wiring diagram. fuel pump relay, canister purge, injectors,
>>>MAF sensor, etc.
>>>
>>>The engine is not running well, and I am trying to figure out what I
>>>have and how to diagnose it. I just went through all the wiring to make
>>>sure all connections and wire were good. Now I am back to tracking down
>>>issues.
>>>
>>>My original question you answered was regarding a local mechanic that
>>>looked under my hood. He said that there should not be a barometric
>>>sensor on the MAF engine. Obviously that gives you an idea of what I am
>>>dealing with locally.
>>>
>>>I am trying to do the work myself at this point. The motor is in a 1975
>>>bronco. I sometimes go off-roading and worry something may shake loose
>>>and I would have no idea what to expect. At this point, I know most of
>>>the elements, now I just need to figure what to fix.
>>>
>>>The mustang wiring is only wired with four wires to the bronco. Other
>>>than that the system is self contained. I just have to figure out some
>>>problems.
>>>
>>>- low power
>>>- rich fuel
>>>- high idle
>>>- if gas punched or revved at all, it does not idle down very quickly
>>>
>>>Those are some of my problems. I am still looking for local mechanical
>>>assistance, but I am trying to support local mechanic with this news
>>>group. I appreciate any thought my mechanic look more closely at.
>>>
>>>The mustang motor is all stock except for a 4° cam advance to lower the
>>>torque.... stock cam, forged heads, in-tank mustang fuel pump. I am
>>>using the old bronco pulleys, water pump and such. Made the conversion
>>>easier.
>>>
>>>Well, thanks again for your answer. The mechanic will help I am sure.
>>>It's not the type of work mechanics generally seek out. Not much profit
>>>involved. He is just going to give me a couple hours and check some
>>>things. If I can suggest something from this message board, all the
>>>better. I can certainly check many things myself.
>>>
>>>Lawson
>>>
>>>
>>>
>>>
>>
>>any codes?
>>
>>
>>
>>>eec power relay fuel Relay anti fuel relay
>>>
>>>Musttanguy wrote:
>>>
>>>
>>>
>>>>They all use a MAP sensor, the earlier is connected by hose to intake
>>>>while the later is vented to the atmosphere
>>>>
>>>>
>>>>
>>>>
>>>>
>>
>>
>>
> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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> <head>
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> <body bgcolor="#ffffff" text="#000000">
> What codes are you referring to? Sorry, I am learning as I go. <br>
> <br>
> Lp<br>
> <br>
> David M wrote:<br>
> <blockquote cite="midpan.2005.07.13.01.01.33.349569@sled351" type="cite">
> <pre wrap="">On Tue, 12 Jul 2005 19:35:29 -0500, Lawson[rem0ve]news rearranged some
> electrons to form:
>
> </pre>
> <blockquote type="cite">
> <pre wrap="">Thank you.
>
> I have a custom install that I am trying to sort out. It uses a MAF
> sensor and a 1993 A3M computer. There is a jumper between the anti fuel
> relay and the eec power relay. I assume that is to defeat the gas shut-off.
>
> My son and I tracked down the wiring from a mustang wiring diagram. The
> engine is the forged piston year... i believe earlier than the wiring.
>
> The wiring for the lower portion like engine coolant sensor, throttle
> position, EGR valve position, barometric pressure, sensors all come from
> the 1989-90 diagram.
>
> The wiring to the computer for the upper part of the diagram comes from
> the 1991-93 wiring diagram. fuel pump relay, canister purge, injectors,
> MAF sensor, etc.
>
> The engine is not running well, and I am trying to figure out what I
> have and how to diagnose it. I just went through all the wiring to make
> sure all connections and wire were good. Now I am back to tracking down
> issues.
>
> My original question you answered was regarding a local mechanic that
> looked under my hood. He said that there should not be a barometric
> sensor on the MAF engine. Obviously that gives you an idea of what I am
> dealing with locally.
>
> I am trying to do the work myself at this point. The motor is in a 1975
> bronco. I sometimes go off-roading and worry something may shake loose
> and I would have no idea what to expect. At this point, I know most of
> the elements, now I just need to figure what to fix.
>
> The mustang wiring is only wired with four wires to the bronco. Other
> than that the system is self contained. I just have to figure out some
> problems.
>
> - low power
> - rich fuel
> - high idle
> - if gas punched or revved at all, it does not idle down very quickly
>
> Those are some of my problems. I am still looking for local mechanical
> assistance, but I am trying to support local mechanic with this news
> group. I appreciate any thought my mechanic look more closely at.
>
> The mustang motor is all stock except for a 4° cam advance to lower the
> torque.... stock cam, forged heads, in-tank mustang fuel pump. I am
> using the old bronco pulleys, water pump and such. Made the conversion
> easier.
>
> Well, thanks again for your answer. The mechanic will help I am sure.
> It's not the type of work mechanics generally seek out. Not much profit
> involved. He is just going to give me a couple hours and check some
> things. If I can suggest something from this message board, all the
> better. I can certainly check many things myself.
>
> Lawson
>
>
> </pre>
> </blockquote>
> <pre wrap=""><!---->
> any codes?
>
> </pre>
> <blockquote type="cite">
> <pre wrap="">eec power relay fuel Relay anti fuel relay
>
> Musttanguy wrote:
>
> </pre>
> <blockquote type="cite">
> <pre wrap="">They all use a MAP sensor, the earlier is connected by hose to intake
> while the later is vented to the atmosphere
>
>
>
> </pre>
> </blockquote>
> </blockquote>
> <pre wrap=""><!---->
> </pre>
> </blockquote>
> </body>
> </html>
>
> --------------040501040508030300010504--
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David M (dmacchiarolo)
http://home.triad.rr.com/redsled
T/S 53
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