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Before condemning the PCM it would be a good idea to hook up a scan tool an see if the PCM is communicating an check for codes . Could have a burnt out bulb . Plus if the crank sensor was bad it wouldn't have spark or fuel . You could check power and grounds for the PCM ,do you have and know how to use a volt meter ? PCM power and ground testing avi
Plus check EFI relay ! http://www.bbbind.com/free_tsb.html free wiring diagrams . Enter vehicle info. year , make , model an engine size . Under system click on engine then under subsystem click fuel controls . Testing the electrical circuits using a wiring diagram to find spots to test at .
you posted 3 times, and all 3 times same question but if you read your other posts, bingo. you never said the symptoms nor said if it is the front or rear 02 sensor. so i toss coin and land FRONT. B1S1. i did answer for all 3 engines, documented the oxygen sensor B1S1 on all 3 ECU's
To start with if engine was blowing blue smoke then the rings needed replacing ,but if not blowing blue the rings dident need doing /uless the top ring had broken and that would have blown oil out of the gaskets and seals /Called crank case compression)
and if no oil leaks then you must have had a seal leak OR burning oil but you must have seen it the blue smoke???The head should not be your problem
Never heard of your vehicle.. However, Go to http://www.hmaservice.com/ and register (vehicle by VIN). Afterward, you'll have access to technical information (manuals, wiring diagrams, service bulletins, etc) about your vehicle.