View Single Post
  #7  
Old July 13th 05, 03:14 AM
Lawson[rem0ve]news
external usenet poster
 
Posts: n/a
Default

What codes are you referring to? Sorry, I am learning as I go.

Lp

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
>>>
>>>
>>>
>>>
>>>

>
>
>


Ads