code 12

dieseltech24179 · 12-07-2008, 02:01 AM

ok i did a diagnostic check on my 88 7mgte and i got quite a few codes but im doing them one at a time so up first is code 12 it says the distributor or cam pos sensor circuit or the distributor or cam pos sensor or the starter signal circuit. so its not the distibutor ( i dont have one lol). would the cam positioning sensor being out if adjustment or installed wrong be the problem?

dieseltech24179 · 12-07-2008, 02:38 AM

and there is a new engine harness so it couldnt be the wiring

dieseltech24179 · 12-07-2008, 05:53 PM

ok so i pulled the efi fuse just to check to see if any codes would go away and all of them did except code 32 and 51. idk if when i get the car running again that the previous code 12 and 42 will come back but for now im just worried about these two. 32 seems simple enough since my engine harness is brand new then it has to be the AFM itself failing instead of the wiring being crappy. so i guess its safe to go on and buy a new one or used cuz ebay is my friend lol. also would the AFM cause spark plugs to foul?

12-07-2008, 02:01 AM	#1
dieseltech24179 3" Exhaust Join Date: Oct 2008 Location: vinton Posts: 57	code 12 ok i did a diagnostic check on my 88 7mgte and i got quite a few codes but im doing them one at a time so up first is code 12 it says the distributor or cam pos sensor circuit or the distributor or cam pos sensor or the starter signal circuit. so its not the distibutor ( i dont have one lol). would the cam positioning sensor being out if adjustment or installed wrong be the problem?

12-07-2008, 02:38 AM	#2
dieseltech24179 3" Exhaust Join Date: Oct 2008 Location: vinton Posts: 57	code 12 and there is a new engine harness so it couldnt be the wiring

12-07-2008, 05:53 PM	#3
dieseltech24179 3" Exhaust Join Date: Oct 2008 Location: vinton Posts: 57	efi fuse ok so i pulled the efi fuse just to check to see if any codes would go away and all of them did except code 32 and 51. idk if when i get the car running again that the previous code 12 and 42 will come back but for now im just worried about these two. 32 seems simple enough since my engine harness is brand new then it has to be the AFM itself failing instead of the wiring being crappy. so i guess its safe to go on and buy a new one or used cuz ebay is my friend lol. also would the AFM cause spark plugs to foul?

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