David Ammerman (67.72.98.82) - Tue Apr 4 18:21:01 2006

What is A P1250 fault code.

Got one at the Wa state vehicle inspection station.

Reply #1 BIll (68.102.234.171) - Mon Apr 30 20:47:08 2007

I have the same fault it says Manufactures Control Air Fuel I think it has something to do with the fuel cap since I think the original is vented and mine is "vacuume only" I reset the code and drive around for hours no code but as soon as I turn off the car and restart it the code is back I am waiting for a cap from GM will post if that fixes it.

Reply #2 Bill (68.102.234.171) - Sun May 27 06:00:51 2007

Got the cap but have not had time to see if it worked but the gm cap is similar in design so my hopes are not high I also replaced the fuel filter as it appeared to be the original one.

Reply #3 Bill (68.102.234.171) - Sun May 27 16:27:38 2007

The cap did not work Same code P1250

Reply #4 Carl (75.214.124.184) - Fri Jun 15 21:45:52 2007

P1250 For GM Early fuel evaporation system, For others Fuel level too low, or fuel pressure control solenoid,

Reply #5 Bill (68.102.234.171) - Sun Jul 22 13:33:06 2007

sold the car still wish I could have fixed it though

Reply #6 taz (213.107.21.162) - Thu Jun 26 07:27:32 2008

hi, i have a bmw e38 2.8 1996 model. i have had the faults checked and the only code that does not clear is code 38 pre-throttle valve control. is this a major problem and what does this mean. can you help me and explain. i also have the triangle come on in the dash what is this also. thanks taz

Reply #7 Al H (12.69.95.155) - Fri Jul 11 16:28:34 2008

Today, I took my car in for a smoog check, it failed with a obd fualt code:P1250 Manfacturer specific code.

I expected it would failed because the check engine stays on. I don't know what the OBD fault code represent. Can someone tell me what that code mean? I drive a 1998 BMW 528i.

Thanks.

Al

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