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TOYOTA TACOMA 2001 WILL NOT PASS EMMISSIONS

wildbill1973z28

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The Hen that laid the Golden Legos
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OK HERE WE GO, REPLACED BOTH CATALYTIC CONVERTERS. STILL WILL NOT PASS CODE IS STILL BANK 1!!!!!!!!!!!!!! I DID ALL I KNOW HIGH TEST GAS ,SEAFOAM, CATCLEAN, THROTTLE BODY, O2 SENSOR [2 ], NOW AFTER ALL THE WORK THE CK ENGINE LIGHT COMES ON IN LESS THAN 30 MILES, HELP ME !!!!!!!!!!!!!!!
 
I would try scanning it, but hold on tight it's gonna get expensive chasing it down. I had a nissan pickup and sold it after almost $1000 in parts and it still wouldn't pass
 
Bank 1 is the rear engine bank. uncsrewing any sensor will throw a code. Could also be dirty MAF or air filter, test the sensor with a proper scanner to confirm operation and check mass air flow to confirm.
 
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