Re: Having issues with my EZ EFI
[Re: Slipknot440]
#1080151
09/22/11 09:59 AM
09/22/11 09:59 AM
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Joined: Jun 2004
Posts: 309 Hampden, Maine
Procommuter
super street
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super street
Joined: Jun 2004
Posts: 309
Hampden, Maine
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Sorry to hear about your struggles. I have a Holley Commander 950 on my Cuda and after it's tuned it really is worth it. Are you sure your fuel pressure is set correctly? Run one ground wire from the body to the computer to the ignition to the engine block and to the battery. Do this no matter how good you think your grounds are. Use a timing light to compare the actual engine timing to what the computer thinks it is. It sounds foolish but check that the spark plug wires are all on securly and that the firing order is correct. I know that it can be very frustrating, but when you get it right you'll never go back.
Wes
73 Barracuda 440 EFI 4 speed, 144.85 MPH LTA A/FSS Record Holder.
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Re: Having issues with my EZ EFI
[Re: Slipknot440]
#1080153
09/22/11 10:50 AM
09/22/11 10:50 AM
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Joined: Jan 2003
Posts: 1,938 Sonora CA
Mopar_Rich
top fuel
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top fuel
Joined: Jan 2003
Posts: 1,938
Sonora CA
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Log on to here: http://www.cpgnation.com/forum/fast-product-support.htmland post your problem. This is a great place to get the best tech help for the EZ-EFI. But I will jump ahead and suggest that you verify the main power connections (straight to the battery), and that you have a clean tach signal from your ignition. From your note it sounds like the engine didn't run well with a carb either. Am I reading that right? Also, the engine must warm up to at least 170 for the learning to kick in. You have other issues if the engine won't warm up.
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Re: Having issues with my EZ EFI
[Re: Slipknot440]
#1080157
09/22/11 02:36 PM
09/22/11 02:36 PM
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Joined: Apr 2007
Posts: 2,826 NY usa
540challenger
master
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master
Joined: Apr 2007
Posts: 2,826
NY usa
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Quote:
the engine has less than 700 miles on it. I had everything professionally installed to make sure that I wasn't going to have grounding or connection issues. The timing is set the same as it was when dynoed. The car used to run extremely hot when carbed now I can't get it to 160 when it was driving. Hopefully the rain stops and I can get a chance to play with it this week(end)
Was the engine dynoed with the EZ- on it? You have to set the timing to what is ez- computer is programmed to run.
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Re: Having issues with my EZ EFI
[Re: Viol8r]
#1080158
09/22/11 03:16 PM
09/22/11 03:16 PM
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Joined: Jan 2003
Posts: 1,938 Sonora CA
Mopar_Rich
top fuel
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top fuel
Joined: Jan 2003
Posts: 1,938
Sonora CA
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Quote:
Almost guarentee your plugs are fouled. That is only issue I had upon first start up because the fuel delivery with the injectors is much more intense then with a carb. If you have not got it to learn yet then you are for sure running a little rich I would imagine.
My targets currently are 13.6 idle, 14.2 cruise and 12.8 WOT. I run a +2 ACCEL setting.
I agree The one fault with the EZ is that they start out really rich just to be on the safe side, until it learns. This has created enough headaches that FAST came up with a new firmware release (version 03) that tackles this problem. Check what firmware you currently have and if you need to, go to:
http://www.fuelairspark.com/Pages/296/Software.aspx
And download both the EZUpdater_03.zip and the instructions.
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Re: Having issues with my EZ EFI
[Re: Slipknot440]
#1080160
09/23/11 12:44 AM
09/23/11 12:44 AM
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Joined: Jan 2003
Posts: 543 Indiana, Just Off I-70
BradD
mopar
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mopar
Joined: Jan 2003
Posts: 543
Indiana, Just Off I-70
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You may have fouled out that 02 sensor if it has been way rich the entire 75 miles + idling. Would dropping the pressure to about 34-38 lbs. help? We are putting dual EZ throttle bodies on a 426 Hemi and the tech at FAST said to start at 32lbs. Brad
Check out the Dorn's 69 Barracuda "Switchblade" in the Nov.2010 MCG Check out the Dorn's refurbished 36 Ford in the Feb.2011 Street Rodder
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Re: Having issues with my EZ EFI
[Re: Mopar_Rich]
#1080163
09/23/11 03:25 PM
09/23/11 03:25 PM
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Joined: May 2004
Posts: 12,418 Taxes & Virus's R-US, NY
Dragula
I Live Here
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I Live Here
Joined: May 2004
Posts: 12,418
Taxes & Virus's R-US, NY
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Quote:
I was trying to figure out how to say that without offending ...
I get the same issue as mine will not hit the min even with the fans off most days...
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Re: Having issues with my EZ EFI
[Re: Slipknot440]
#1080165
09/23/11 04:20 PM
09/23/11 04:20 PM
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Joined: Aug 2011
Posts: 2,872 Pattison Texas
CSK
master
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master
Joined: Aug 2011
Posts: 2,872
Pattison Texas
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at least 180 t stat & make sure the map sensor is on manifold vacume
1968 Charger COLD A/C Hilborn EFI 512ci 9.7 compression, Stealth heads, 4.10 gear A518 ODtrans 4100lb,10.93 full street car trim 2020 T/A 392 Stock 11.79 @ 114.5
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