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- 1st Generation S-series (1983-1994) Tech (https://blazerforum.com/forum/1st-generation-s-series-1983-1994-tech-40/)

- - 1991 s10 4.3 (https://blazerforum.com/forum/1st-generation-s-series-1983-1994-tech-40/1991-s10-4-3-a-83682/)

David Lee Hoover

01-05-2014 03:08 PM

1991 s10 4.3

has weak sparl new coil,dist,ign module,cap ,rotor ,wires

Dave884x4

02-27-2014 08:10 AM

Check the ground and make sure they have good connection.

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