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Reload this Page TFI IV Ignition Module Tests

Engine & Drivetrain Engines and Drivetrains can be a major problem for a lot of vehicles. If you are having engine or drivetrain problems, you can post your questions/concerns about the issue. Furthermore, if you are in the process of doing an engine rebuild, post your progress with pictures.

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Old 06-24-2009, 01:48 AM   #1 (permalink)
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what vehicles/ engines would one find these in? i'm not great with elictronics, but all the things described are going on with the girlfriend's 98 contour 2.0...
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Old 07-27-2009, 09:35 PM   #2 (permalink)
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so that would explain my 86 F150 issue.
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Old 07-29-2009, 11:47 PM   #3 (permalink)
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I have a question. What year did Ford stop using TFI and started using something that is better?
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Old 07-30-2009, 06:50 AM   #4 (permalink)
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Quote:
Originally Posted by ConfusedNick View Post
I have a question. What year did Ford stop using TFI and started using something that is better?
It was a gradual phase out over several years sometime after 2000. Some vehicles got EDIS in between. EEC-IV and its brother the EEC-V and EDIS were replaced with the PTEC module. Many more pins on the connector so the its processor actually fired the plugs directly.
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Old 09-12-2009, 08:29 AM   #5 (permalink)
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Make sure you put heat sink compound on the back of the tfi module after doing this test or it will most definately fail from heat! Radio hut has a small tube for $2.99
Pulling it off and replacing the heat sink compound every couple years is a good idea and you may as well check the resistance while you have it off. Most parts stores carry a small socket that fits into the openings on the module(super thinwall) Mine has a big knurled chrome handle and you can put different bits into the other side comes in real handy for tight spots. 20 minutes and $3 bux will keep the module happy and working like it should!!
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Old 09-20-2009, 09:23 AM   #6 (permalink)
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i have a question on my 5.0 ho...I installed a 5.0 ho on a 68 mustang and when i ran my engine it wouldn't go past 3500rpm...it had a grey motorcraft TFI..replaced it with several tfi's form other cars and it would do the same thing. I replaced the PIP and it whent up to 4000rpm's. My uncle gave me a white TFI and now the engine goes up farther not the same response as the other TFI's

I resently bought an ACCEL TFI and it goes back to the same 3500 rpm.....help i realy dont know what to do next...the only codes i have is for the smog pump solenoids.
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Old 09-30-2009, 12:32 PM   #7 (permalink)
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95 taurus se model 3.8 engine. where can i find the ignition module. it's not mounted to the distributor like the manuel says.where else can it be?
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