What cause car to shut off when trying to pull running codes?

Creomod · Feb 14, 2021

Ok I used a voltmeter to get koko codes worked. It made sweeps and got tps code, and I got a 96 in continuous. Problem is when I started the car to get run code car shut off. Hmmm, so I bought the innova older Ford scan tool and It worked with the koko codes but as soon as I turned on then pushed TEST The car turned off. Tried again and again. Same thing. What could cause the car to shut off when trying to pull running codes?

General karthief · Feb 14, 2021

Well without knowing what year you car is lets figure since your here it's an 86-93 efi car

Electrical - How To Pull Codes From EEC-IV In 86- 95 5.0 Mustangs

@Noobz347 - The code dump procedure isn't in the sticky - you may want to add it... Dump the codes: Codes may be present even if the Check Engine Light (CEL) isn't on. Dumping the computer diagnostic codes on 86-95 Mustangs Revised 26-July-2011. Added need to make sure the clutch is...

stangnet.com

Creomod · Feb 14, 2021

General karthief said:
Well without knowing what year you car is lets figure since your here it's an 86-93 efi car

Electrical - How To Pull Codes From EEC-IV In 86- 95 5.0 Mustangs

@Noobz347 - The code dump procedure isn't in the sticky - you may want to add it... Dump the codes: Codes may be present even if the Check Engine Light (CEL) isn't on. Dumping the computer diagnostic codes on 86-95 Mustangs Revised 26-July-2011. Added need to make sure the clutch is...

stangnet.com

yes it is its a 89 but i just put some gt 40 3 bar heads thought maybe that might be the reason

Mustang5L5 · Feb 14, 2021

Let’s try this.

wity the car idling steady, pull the IAC plug. Does it stall?

Creomod · Feb 14, 2021

Mustang5L5 said:
Let’s try this.

wity the car idling steady, pull the IAC plug. Does it stall? Hmmm I did this but don’t remember what happened. If it does shut off what could it be?Can it be because my tos off? I did get the act code as well.

Creomod · Feb 14, 2021

I’m soo sorry brother,thank you for your input I was written earlier from PlayStation and it was acting up I guess. It’s a 89 302 I just added get 40 heads. I never had a check engine light before, but I was thinking my gauges were acting up cuz I have a 4cycler gauge cluster and NOW that I changed heads and rev engine rpm 2 times higher than my aftermarket tach,read about that and assumed that my check engine light might be because of that. It is stuck on bu it will come off for a few sec then stay on .no blinking.So I wanted to pull codes. I know I went through that thread you sent me I did it that way,did it the way the Hayes Manuel states,and I used paper clip with voltmeter but thought maybe my car wasn’t likeing the pare clip so I bought the innova hook it up turn car on then turn inovva scanner on but when I push test the car dies out! Can this be beaus my tos voltage is out of range?

Creomod · Feb 14, 2021

Hers another question. Are my continuous codes (stored codes) are they my running codes just saved? Or are running codes just codes you can get when car is running/on?

What cause car to shut off when trying to pull running codes?

Creomod

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General karthief

wonder how much it would cost to ship you a pair

Electrical - How To Pull Codes From EEC-IV In 86- 95 5.0 Mustangs

Creomod

Electrical - How To Pull Codes From EEC-IV In 86- 95 5.0 Mustangs

Mustang5L5

That is…until I whipped out my Bissell

Creomod

Creomod

Creomod

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What cause car to shut off when trying to pull running codes?

Sponsors (?)

wonder how much it would cost to ship you a pair

That is…until I whipped out my Bissell

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