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  #1  
Old 09-14-2005, 07:36 PM
Spinout91 Spinout91 is offline
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Angry Serious Problem

I got a 91 Mr2 2.2, replaced engine with import 30-to50k. Had it all put in and everything, but after the switch the car was much slower, and shooting flames out of the exhaust, I cant get it to stop running rich, its burning gas like crazy, and blowing thick black smoke.. the car also bogs out when u get to about 1300 to 1400 rpm some please tell me what could be wrong, i have replaced map sensor as well.. thanks
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Old 09-15-2005, 03:03 PM
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ac427cpe ac427cpe is offline
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Re: Serious Problem

i thought the 91 na was still a MAF sensor...
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Old 09-15-2005, 03:13 PM
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JekylandHyde JekylandHyde is offline
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Re: Serious Problem

The NAs do not have a MAF/AFM.

How old are the ignition components?
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Old 09-16-2005, 06:29 PM
91 Celica St 91 Celica St is offline
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Re: Serious Problem

did you use the wiering harness from the usdm engine? ecu? sounds to me like you used the map from the jm engine and the harness from the usdm maf...or vice versa
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Old 09-18-2005, 11:12 AM
autocrossTheMr2 autocrossTheMr2 is offline
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30to 50k which is what?
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