View Full Version : alotta codes]=

03-06-2011, 11:17 AM
ok so i was driving today when my check engine light came on...
took it to autozone were it came up with seven codes here they are

p0327,knock sensor 1 low input(bank1)
p0102, mass air flow circulation input
p1129, 1127, 1139, 1137, 1141 no dtc definition found

i need all the help i can get any ideas, and i think the maf sensor is becouse im running a k&n filter

03-06-2011, 11:45 AM
i ran a open k-n for nearly 4 months with no codes so far....

03-06-2011, 11:51 AM
P1129 - Long Term Fuel Trim (Multiplicative) - Bank 2 System Too Rich
P1127 - Long Term Fuel Trim (Multiplicative) - Bank 1 System Too Rich
P1139 - Long Term Fuel Trim (Additive) - Bank 2 System Too Rich

search, and you will find the ones for the others.

03-06-2011, 11:53 AM
http://wiki.ross-tech.com/wiki/index.php/Category:Fault_Codes Don't know if you've searched yet but you may find your definitions here.

03-06-2011, 07:44 PM
thanks very much also does this mean my maf senser needs to be changed or could it just need a good clean and should i worry about this stuff?

03-06-2011, 07:49 PM
clean it with that MAF cleaner thing.

03-06-2011, 07:59 PM
System too rich across the board. That is kind of an odd code to have, especially at idle. Usually MAF problems have to do with the MAF being dirty and reading too little: leading to a lean condition across the board. MAF reading too high is much less common. I'd certainly try cleaning it first, but it may just be faulty. Can't think of much else that would cause it to be that far out of whack. Unless it is something that was directly caused, like incorrect injectors, incorrect fuel pressure regulator, incorrect MAF, etc.

It is unlikely that it would be caused by some kind of intake leak, as any leak big enough to cause the Multiplicative - Rich code (like a large boost leak) would cause a lean condition at idle for sure. Really seems like a problem with the MAF or MAF wiring. It would be interesting to see an actual log of the MAF values.

03-08-2011, 04:02 PM
ok so while driving again today noticed my check engine light was off so i took it back to advanced for another reading and it still read all the codes but the check engine light is off all i did was clean the maf sensor but it still reads all 7 codes?

03-08-2011, 04:02 PM
another thing should i be worried about the knock sensor???????