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#1
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p0135 p0155 p1085 p1083 p174??????
The codes are: P0171- System too lean (bank1) P0174- System too lean (bank2) P1083 - Fuel System too Rich P1085 - Fuel System too Rich P0313 - Now I know that P0171 and P0174 together usually mean an air leak after the mass air flow sensor...or a bad mass air flow sensor. There is no leak or broken tub after the mass air flow sensor. Can anyone help with the "too rich" codes. i dont fully understand this. I had replaced the spark plugs and oil change recently. Thanks. Henry |
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#2
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Check for a broken butterfly on your DISA valve. Do a search for checking and replacing it.
Good Luck!
__________________
"I can’t understand it. I can’t even understand the people who can understand it" Queen Juliana (1909-2004), of the Netherlands "If you choose not to decide, you still have made a choice!" 2004 X5 4.8is Imola Red-228K ZF-GA6HP26Z-Sold 2006 X3 3.0i Mystic Blue-175K, ///M pkg 6-Spd Manual- Trading in 6/10/17 for a Mini too! 2003 Silver X5 3.0- sold 2000 VW Beetle 1.8 turbo-165K- Totaled 9/11/16 |
#3
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I did take out the DISA and nothing broken, also check the tub after the MAF, nothing else broken. I did see a leak on the valve cover gasket and I need to replace valve cover gasket. Does the valve cover gasket leak cause the check engine light come on.
Thanks, Henry |
#4
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Yes, I believe it can cause codes. Definitely, get it replaced and it should help. Also, I think a failed CCV or oil separator can cause the gasket to fail and throw codes.
__________________
"I can’t understand it. I can’t even understand the people who can understand it" Queen Juliana (1909-2004), of the Netherlands "If you choose not to decide, you still have made a choice!" 2004 X5 4.8is Imola Red-228K ZF-GA6HP26Z-Sold 2006 X3 3.0i Mystic Blue-175K, ///M pkg 6-Spd Manual- Trading in 6/10/17 for a Mini too! 2003 Silver X5 3.0- sold 2000 VW Beetle 1.8 turbo-165K- Totaled 9/11/16 |
#5
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Hello I need help:
After the dealer replace valve cover gasket and drove over 600 miles, the car run fine until last nite when the drove on the high way suddenly the engine start shaken and shut off. The first time it read code P1352, P0171, and P0174 and then I try to restart the car again, the engine run very rought and shut off, it read P1343, P0171., P0174, P01344, P1352, and P1350. After couple of restart and shut off, I decide to wait about 20 minutes later and restart, the car start rought and I press the gas pedal and started to run Ok, and I was able to made it home without any problems. I check the code, it read P0171, P0174, p1345, and p1343. Could someone place what is wrong with my car. I did check the DISA and look fine. Could the DISA is bad? I know that P0171 and P0174 together usually mean an air leak after the mass air flow sensor but check it out is fine, no broken or leak on the hose. Thanks, Henry |
#6
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Quote:
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#7
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you need to get a smoke test to see where is the leak. In my case, the DISA looks fine but failed on the smoke test. There is something that you can't see with your eyes.
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#8
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Hi L0700,
How do you do smoke test or procedure? Any special tool or device and able to do you self. Please help. Thanks, Henry |
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