Re: Vauxhall Zafira 2000/01 1800 Z18XE Archived Message
Posted by vern watts on June 23, 2007, 10:48 am, in reply to "Re: Vauxhall Zafira 2000/01 1800 Z18XE"
Hi Andy, Simtec 71 will definitely switch off for example injector 1 if it see's an ignition misfire on cylinder 1, if it looses the 12v supply to the coil it will switch off all four injectors as well. Ref the car running ok with the scan tool attached, many scan tools join pins 4 & 5 (earth on the diagnostic plug)together hence knowing vauxhall harnesses may be worth checking the ecu earths. Having said that have recently had to change a simtec 71 ecu for a misfire (not switching cassette type coil to earth on cyl 3)apparantly this is not unusual, my vehicle had z18xe engine - ecu £325. Had it been a Z18xe1 it would have been over £500!!!
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