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 .
Answers & Comments
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 .