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11-03-2009, 12:04 AM | #1 |
I got a good sugar moma
Join Date: Dec 2005
Location: ON THE ROAD
Posts: 1,196
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i have a question for ya
I have finally got my car on the road again. I went to get into it on sunday just to drive it and brake in the new motor but it would not run. I drove it the day before with no problems at all. I checked the coil and nothing so I break out the meter and the coil seems to be fine but to make sure I had a new coil so I tryed it still nothing. So I pulled the I M on the distributor and had it checked and it was good. So I thought for a while and checked my 6al and it checked out good. I checked all the wires that go to the dis and has power were it should and a good ground. I have power from the switch and when I turn the key to run and turn the engine over it has power on that wire as well. The pip wire I am not sure as I dont know if I checked it right. I got to thinking that I have not been smelling gas even though I have been turning it over alot so I checked the injectors with a light I bought from the part store for injectors and they are not working either when I am turning the engine over. So the question is what is the common thing between the injectors and the coil. Would it not be the PIP sensor in the distributor. Sorry for the long post any help would be appreciated. Steven
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Bottled 89 Coupe |
11-03-2009, 05:12 AM | #2 |
Mind Blowing
Join Date: Jun 2006
Location: Dawsonville Ga
Posts: 3,913
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I had a broke wire on the injector harness that done the same thing to me.
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Slow Joe Racing 2008 dodge ram 5.7 HEMI 1993 lx with a 289 and a 3 speed on the floor WTB 1955 t-bird project |
11-03-2009, 05:23 AM | #3 |
Trunk Monkey
Join Date: Jun 2007
Location: Home
Posts: 5,708
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Check your 10 pin connectors. They're bad about having crappy connections. But to answer your question, yes, the PIP sensor is the common thing, considering it triggers the injectors.
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Eric 89 LX Coupe-Juiced 01 Lightning-Boost 06 TBSS |
11-03-2009, 05:54 AM | #4 |
Senior Member
Join Date: Mar 2007
Location: anniston/saks
Posts: 1,459
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agreed! but like joe said as well ive had the wire on the injector harness be broke but couldnt tell cause the plastic was good had to check til found the break, youll have power til the break then cut and repair!
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http://i171.photobucket.com/albums/u...DSC02715-1.jpg 2004 cobra MGW shifter,spec 3+ clutch, billet flywheel, 3.75 upper pulley, banssanni exaust, 3.4 whipple, 60lb injectors, fore rails and hat, gt40 pumps, dual bypass heat exchanger. 660hp/600tq http://s171.photobucket.com/albums/u...t=M2U00182.flv 2012 f150 4x4 5.0 blk 2012 rzr LE S orange 2012 rzr LE silver/blk 2003 DSG lightning 2001 ford focus ZX3 silver |
11-03-2009, 07:04 AM | #5 |
3v's are slow
Join Date: Dec 2004
Location: Here and There
Posts: 17,152
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Do you hear the fuel pump prime when turning on the key?
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2009 Porsche Carrera S 2008 ///AMG C63.. Eurocharge Tune. RIP 2019 AMG GLC43..wife's 03 F250 SD.. Edge Evo, AFE Stage 1 CAI 08 GT. JBA axle back, FRPP springs, FRPP swaybars.. daughter's 01 Cobra vert... wife's I need a new toy |
11-03-2009, 09:26 AM | #6 |
I got a good sugar moma
Join Date: Dec 2005
Location: ON THE ROAD
Posts: 1,196
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Yes, it primes up but I am getting no power to the injectors.
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Bottled 89 Coupe |
11-03-2009, 11:15 AM | #7 |
5.slo stanger
Join Date: Jan 2007
Location: oxford alabama
Posts: 735
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my entire computer went out in my 91 model threw in a used one form the junk yard and she fired right up no idea what mad it go bad. never had a leak or anything spilt on it
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no mustangs anymore but i do have a 1jz swapped 83 supra |
11-06-2009, 04:42 AM | #8 | |
Daddy x4 ...we're done
Join Date: Dec 2004
Location: Oxford, AL
Posts: 11,551
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Quote:
When the ECU goes out, a lot of time it gives no warning and just stops working all of a sudden. When mine went out last year, the coupe drove fine all the way to Mellow Mushroom. When we went to leave a few hours later, it just wouldn't start. Fuel pump primed, fuel pressure was normal, coil was good, MSD was working, etc. I finally got a used ECU from Lee and it fired right up. What you are describing is exactly what I went through. I even made the same "no fuel smell" observation that you did. The bottom line is, the ECU get's taken out and is not telling the injectors to fire at all. I would tens to rule out a broken wire because that would normally cause an erratic condition at first and usually gives some warning before it just stops working.
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-Brian '86 Mustang GT Convertible '88 Mustang LX coupe '11 Odyssey TE '21 Insight Touring |
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11-06-2009, 10:12 AM | #9 | |
I got a good sugar moma
Join Date: Dec 2005
Location: ON THE ROAD
Posts: 1,196
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Quote:
I was thinking that as well Brian, I sat down a few nights ago and pulled the harness out to check for broken wires and found none. I was to the point of just buying a new ecu or finding one to try. Thanks Guys
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Bottled 89 Coupe |
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11-05-2009, 07:42 PM | #10 |
I got a good sugar moma
Join Date: Dec 2005
Location: ON THE ROAD
Posts: 1,196
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Does anyone know where I can find a wiring schematic from the eec to the engine. I looked on this site because I thought I saw one before but I could not find it. Thanks Steven
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Bottled 89 Coupe Last edited by 97cobrasvt; 11-05-2009 at 08:52 PM. |
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