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Old Jul 6, 2007 | 10:54 PM
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Question Scan Codes

what does p0172 mean any body
 
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Old Jul 7, 2007 | 08:44 AM
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From: Easton,Ks
Originally Posted by HENDEL
what does p0172 mean any body
System (adaptive fuel) too rich (Bank #1)
 
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Old Jul 7, 2007 | 04:08 PM
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bank 1 does that mean one of the injectors is bad
 
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Old Jul 7, 2007 | 04:11 PM
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From: Easton,Ks
Originally Posted by HENDEL
bank 1 does that mean one of the injectors is bad
Maybe or the O2 sensor may be bad.

By the way what are we working on? (engine, year)
 

Last edited by subford; Jul 7, 2007 at 04:13 PM.
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Old Jul 7, 2007 | 04:23 PM
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Originally Posted by subford
Maybe or the O2 sensor may be bad.

By the way what are we working on? (engine, year)
im sorry 1990 ford e-150 van 5.0 302 eng
 
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Old Jul 7, 2007 | 04:30 PM
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From: Easton,Ks
Originally Posted by HENDEL
im sorry 1990 ford e-150 van 5.0 302 eng
Then how are you getting a PO172?

The PO's started with the OBDII system and you have an OBDI system.

What transmission do you have?
 

Last edited by subford; Jul 7, 2007 at 04:34 PM.
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Old Jul 7, 2007 | 04:44 PM
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i have the eec-iv i just bought actron cp9145 super auto scaner
thats how i got this code e4od
 
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Old Jul 7, 2007 | 05:21 PM
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From: Easton,Ks
Originally Posted by HENDEL
i have the eec-iv i just bought actron cp9145 super auto scaner
thats how i got this code e4od
I have no idea what to tell you then as you are getting non-standard codes for a 1990 E150.
You should have gotten a book with it to tell you what its codes mean.

If you want to ground the STI pin and count the flashes with CEL then we can help you.
If you get a 172 on the CEL it would mean:
HEGO sensor circuit indicates system lean (right side)
And this would mean the EGR valve is stuck open, a bad HEGO sensor, low fuel pressure or a vacuum leak.

I do not use the fancy code scanners unless it is an OBDII system.
 
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Old Jul 7, 2007 | 07:22 PM
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i think i know what the problem is i think low pump pressure
i have electric fuel pump i done test it seems to me its not holding
pressure when i turn key it drops i dont if it could be the the first pump
because ther are two one in tank and one along fram
i do not know witch
 
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