Question about 1996 Ford Mustang

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I put a 1996 4.6 engine and ecu wiring into a 1991 mustang. I made a custom harness to connect the 96 ecu harness to the 91 car harness and added the diagnostic port. the fuel pump primes and the car starts, and then stalls after about 1 sec of running. If I try to restart it it just spins over. If I turn it to the off position it starts right back up. I had a custom tune and the pats turned off on my ecu but it still does the same thing. All the gauges work tach, oil pressure, alt, and water temp. I also used the fuel tank and lines from the 96.

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  • 132 Answers

Since it sounds like you also carried over the OBD2 connector, do you have access to an OBD2 scan tool with datastream mode? If so, you should be able to monitor various sensors to see if that offers a clue as to why it stalls. When it just spins over have you checked for spark, fuel, and injector pulse width?

Posted on May 02, 2017

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Posted on Jan 02, 2017

csmock132
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SOURCE: 66 mustang engine running out of fuel

Do you have any of you fuel lines close to the exhaust? (vapor lock)

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DIS ignition, no distributor to " get in there " with....

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SOURCE: I have a 87 ford

the ecu is located on the passenger side under the dash along the kick panel.the connector for the ecu is under the hood on the same side and it is held to the ecu that sticks out a little with a single bolt.this system used an 90 wire plug,and is bolted to the firewall with 2 bolts.

Posted on Apr 05, 2011

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SOURCE: 4.9L straight six: Hard start when cold, black

Considering the regulator has no effect on starting lets save that for later. You are surely getting too much fuel. Try unplugging the TPS (hot, cold, and startup). The computer will substitute a default value and you will notice a difference if it's as bad as you say.

Posted on Aug 30, 2011

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First can i replace an ignition control mod u le from my 92 mustang with one from a 93 contour


nope doesnt work that way on EFI engine setups

this link may help http://www.ebay.com/bhp/ford-ecu

see compatabiltiy list ..for the right one ....only mustangs
http://www.ebay.com/itm/1986-2001-Mustang-Engine-Computer-ECM-ECU-Repair-Return-A9L-A9P-/221564555045?fits=Make%3AFord#vi-ilComp

has to be the same ECU controller by model years / same engine mustang

if you try the contour ECU without the wires connected you might cause more faults

May 06, 2016 | Cars & Trucks

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How do I connect the wiring harness from a 1996 cavalier to a harness from a 2001 cavalier?


not that be hard.
buy both FSM,
put both schematic before your eyes.
you are jumping many generatations.

why not just move the long block and leave car stock.
odd why are you making this 1000x harder than need be.....????
do not move manifolds, just block and head long block.
the ECU/PCM is totally different.

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D16y8


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Will engine and trans form a 1996 chevy 4x4 pu fit into a 1991 chevy 4x4 pu


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Nov 28, 2012 | 1991 Chevrolet Silverado 2500

1 Answer

Need to adjust timming on 91 ford mustang


pull the spout connector (a grey jumper located in the engine wiring harness either near the code reader port or the distributor) and put a timing light on the #1 spark plug wire. Aim the light at the pointer near the 10-o'clock position on the harmonic balancer (looking aft) while the engine is running and rotate the distributor until you see the pointer aiming at 8-10* BTDC. Don't forget to put the spout connector back in when you're done or else the computer won't be able to automatically advance the timing.

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1 Answer

I have a f20a motor in a 91 accord can I put a 2.2 motor without having any major problems


I would only do this with a 92-93 EX Accord motor and keep it OBD0. I did this with no CEL codes, works perfect.

Swap the following parts from your old 91 engine to the 92-93 EX motor:

Intake manifold
Engine Wiring Harness
Distributor
Exhaust manifold (header)
Air Conditioner bracket and Air Conditioner Compressor

Keep your current ECU in the car. Put your transmission on the motor before you drop it in.

If you go to the 94-97 / 2.2 you will run into some additional sensors, crank position sensor, etc... with that motor since it switches over to OBD2 in 1996.

Good luck...

Feb 06, 2011 | 1991 Honda Accord

1 Answer

I have a 91 3000gt with non turbo i want to put twin turbo out of same year car in it is the wireing harness the same can i just install motor and plug in ecu and be ready to go


even though harness may be compatible, all your ignition components will vary, get a manual on both engines with wiring diagrams before proceding.. you will need help of an expert at these modifications

Sep 09, 2010 | 1991 Mitsubishi 3000GT

1 Answer

What is the factory timing spec? [checking with a timing light] 1991 ford mustang gt 5.0 HO 5 speed


10 DEGREES BEFORE TDC WITH SPOUT CONNECTOR DISCONNECTED , I THINK THAT ON THAT MODEL THE CONNECTOR WAS LOCATED IN THE WIRING HARNESS AT THE DISTRIBUTUR CONNECTOR HAS YELLOW WIRES

Aug 16, 2010 | 1991 Ford Mustang

1 Answer

I have 1991 civic shell, swap to 1994 del so jdm ingine,


Go to honda-tech.com Register and you can download the manual that matches your engine. Chances are that you do not need all ten wires. Russ (camieng on eBay)

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