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81 mk1 supra 5me running issue

2K views 6 replies 3 participants last post by  Ugo 
#1 ·
Hey guys ive been trying to figure this car out for a while, at first it would not start after sitting for some time.
I changed rotor, spark plugs and plug wires, cleaned the cap and it started and idled smoothly.
After about a minute or so it shuts off

If you have any info or have had similar issue please let me know how you fixed this problem.. Would love to see this car drive again.
 
#4 ·
Check for vacuum leaks. It's like a spaghetti bowl under the hood of a Mark I with all the vacuum lines. A vacuum leak from a cracked or broken rubber or plastic intake lines will cause rough running and idle issues.
 
#7 ·
Once you get it running, start wiggling the wires coming off the positive battery post, especially the fusable links. I've had a flakey connection there before that caused it to die randomly.
 
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