1994 MAZDA 626 MX-6 4 cyl MT Cal emission ECM ECU Engine Computer FS61 18 881B E2T80471M

Vendor: The Rest
Type: ECU
Mazda ECU FS6118881B  E2T80471M

Up for sale is a Working, in excellent condition Mazda 626 / MX6 ECU. 

 Should fit many 1994 models with the 4 cyl, manual trans and cal emission. perhaps others as well. See part numbers at the top of the listing. Unit has been tested & physically inspected (capacitor failure is what typically goes wrong with these) - or damage due to drink spills into the control unit, this one looks like new internally with no signs of failure or impending failure) Most sellers won't bother to inspect for this, I do. Because I inspect them & know they are good, 

This unit offers a 30 day functionality warranty. As always with this type of component your best bet is to match the part number to the one on your original ECU. A faulty ECU is one of the most common no start or random stalling problems with these cars. These can also cause issues with erroneous check engine lights, idle control problems as well as emission control & cold or hot start problems. I have also seen fuel pump relay turn on faults (ECU won't turn on the fuel pump), as well as an condition where the high speed injector driver has failed. This causes the car to sit and idle fine, but it won't accelerate.If your car does not have these issues but you intend to keep it a while, I recommend our customers keep an extra ECU in the trunk. These units now have to be special ordered from most dealers new for big $$ (often times over $1000!), and you can never find one when you need one. Even now finding a good one second hand is getting to be quite difficult as these cars get older.

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