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Re: 91 s15 jimmy hard cranking
How long has it been since the fuel filter has been changed, for vacuum leaks you can try and spray around the intake and around the throttle body base. Another possibility could be the fuel pump getting weak but i dont believe tbi needs alot of pressure. Does it have any sort of miss or feels a bit sluggish since you been having the hard starting issue.
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1995 s10 blazer 4.3
1967 c10 350/350 fleet short
1993 s10 blazer 4.3l 4l60 RIP 6/20/14
2000 mercury sable
Thats a how I roll
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