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Old 11-11-2012, 05:47 PM   #1
Wormydog
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Join Date: Oct 2011
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Strange fault codes!!!!!

So, im getting a group of codes that strange to me..."P1250,P1188,P1189,and 1250p"...I have read that the 1250p has something to do with the heater, but ive read somewhere else that its a partner to other codes, and rarely shows up by itself ....So does anybody have any idea what kind of im in?
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Old 11-11-2012, 06:26 PM   #2
jfoj
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P1250 does not appear to be a correct code for your car based upon my reference information at hand?? You may be using a generic code reader that cannot read this code properly??

It may be something to do with your thermostat?

State your year & model.

What they of code reader are you using?

Based upon your current codes I would suggest your read the first link below in my signature.
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Solve your misfires, lean codes, rough idle - http://forum.e46fanatics.com/showthread.php?t=897616

Fuel pump failures - http://forum.e46fanatics.com/showthread.php?t=929501

Temp Info - http://forum.e46fanatics.com/showthread.php?t=964491

Hidden OBC Menu - Check Voltage, Temps, Fuel Level - http://forum.e46fanatics.com/showthread.php?t=239619

E46/E39 GM5 Door Lock Info - www.bmwgm5.com

Lower hose fan switch O-ring - BMW #13621743299
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Old 11-14-2012, 12:44 PM   #3
hoodust
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I had the same 3 codes before. p1250 is low on fuel. Fill up atleast half of your tank and read the code again it usually disappears. As for the p1188 and 89 check your rubber boots going to the throttle body for any holes or cracks. Replace it, clean your MAF,throttle body and ICV as that did the trick for me. Also check the crank case valve hoses for any leaks as this will give the codes.
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Old 11-14-2012, 01:11 PM   #4
Wormydog
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Ok, everything u sad it spot on to what I've been reading was the solution.Except for the p1250, cause my tank gets filled up once it gets to half left...
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Old 11-14-2012, 01:36 PM   #5
jfoj
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P1250 is probably an incorrect translation of a manufacturer specific code being picked up by a generic scan tool??

What scan tool are you using?
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Solve your misfires, lean codes, rough idle - http://forum.e46fanatics.com/showthread.php?t=897616

Fuel pump failures - http://forum.e46fanatics.com/showthread.php?t=929501

Temp Info - http://forum.e46fanatics.com/showthread.php?t=964491

Hidden OBC Menu - Check Voltage, Temps, Fuel Level - http://forum.e46fanatics.com/showthread.php?t=239619

E46/E39 GM5 Door Lock Info - www.bmwgm5.com

Lower hose fan switch O-ring - BMW #13621743299
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Old 11-14-2012, 02:43 PM   #6
hoodust
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Quote:
Originally Posted by Wormydog View Post
Ok, everything u sad it spot on to what I've been reading was the solution.Except for the p1250, cause my tank gets filled up once it gets to half left...
might be a loose gas cap. I cleared my codes multiple times. 1250 shows up when I scan my car with low fuel. Sometimes it doesnt when im half full. I have struggled with the 88 and 89 codes for a month.

I replaced my boots yet it still shows up. So I took took out everything and cleaned the MAF, ICV and throttle body and tighten thr boots with a torque wrench. also chech the air conpressor hoses they might be cracked as well .
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