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-   -   Strange mis-fire problem (http://www.mitsustyle.com/forums/showthread.php?t=25525)

123abc 02-06-2010 07:28 AM

Re: Strange mis-fire problem
 
So how did you come to the cunclusion you need a maf? You just said in your first post that when you unplug it, the car dies.


Just because you tightened couplers doesn't mean the intake pipes are sealed. Just go outside, make a tester and get to it.

CarPsyco84 02-06-2010 08:10 AM

Re: Strange mis-fire problem
 
Is the Ecu stock? Alpha's car did something similar with a 1g maf in it, when he put the 3g one it came with back in it ran perfect... Whatever maf you use, the ecu has to be setup to work right with it. Just because it dies when you unplug it doesn't mean the maf is good, they can fail at higher airflows only.

Eurotrash 02-06-2010 02:22 PM

Re: Strange mis-fire problem
 
Quote:

Originally Posted by CarPsyco84 (Post 323160)
Is the Ecu stock? Alpha's car did something similar with a 1g maf in it, when he put the 3g one it came with back in it ran perfect... Whatever maf you use, the ecu has to be setup to work right with it. Just because it dies when you unplug it doesn't mean the maf is good, they can fail at higher airflows only.


The car has an Eprom ECU, ive been hearing that the stock MAF doesnt work with this??

CarPsyco84 02-06-2010 08:36 PM

Re: Strange mis-fire problem
 
Depends on if its a stock chip or a aftermarket chip that someone put in there I would assume. Certain 1g's came with eprom's from the factory so they would have to work with a stock 1g maf.

goodhart 02-06-2010 08:44 PM

Re: Strange mis-fire problem
 
Sounds like it needs a boost leak test and a tune. Bring it to Shane @ DB, he can straighten you out.

Eurotrash 02-06-2010 11:19 PM

Re: Strange mis-fire problem
 
un-plugged the MAF and the car runs mint.. lol?

CarPsyco84 02-07-2010 07:50 AM

Re: Strange mis-fire problem
 
try a different maf? they can fail you know...


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