no1parfive Posted May 30, 2018 Share Posted May 30, 2018 Anyone know the testing procedures for the hall effect pick-up coil for 89 TC, SOHC, 4 Cyl turbo? Have a no-start, no-spark situation and trying to determine the cause, already changed out various components as indicated on previous posts, now starting to re-troubleshoot to determine if any of the new components are faulty. Link to comment Share on other sites More sharing options...
Reaper1 Posted May 30, 2018 Share Posted May 30, 2018 Step 1: have you run the codes on the car to see if the computer is saying there's something wrong? Step 2: if you crank the engine over, does the tach bounce? If not, HEP is probably dead. Link to comment Share on other sites More sharing options...
no1parfive Posted May 31, 2018 Author Share Posted May 31, 2018 Tach does not bounce or move, will replace HEP, hope that solves the problem. Codes were 12 and 55, which I checked previously and didn't give any info. Link to comment Share on other sites More sharing options...
Hemi Dude Posted May 31, 2018 Share Posted May 31, 2018 2 hours ago, no1parfive said: Tach does not bounce or move, will replace HEP, hope that solves the problem. Codes were 12 and 55, which I checked previously and didn't give any info. Have you verified that the timing belt is NOT broken or teeth stripped? There have been several people, over the years, that have failed to verify that FIRST. An easy way is listen to how the engine sounds as you crank the starter. Does it sound like it has compression? Another easy way is to remove the distributor cap and observe the position of the rotor, if you are by yourself testing, just hit the starter a little and recheck the rotor position. Has it moved? 1 Link to comment Share on other sites More sharing options...
no1parfive Posted May 31, 2018 Author Share Posted May 31, 2018 Thanks Dude, the rotor do'es turn and engine sounds like it has compression, I ordered a new pick-up coil and hope that is the problem. 1 Link to comment Share on other sites More sharing options...
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