Question about 1998 GMC Sierra
I'm leaning toward timing 180 out too, but the easy way is to switch around plug wires on to of the cap. It's a faster way to determine if it it's the problem. Switch # 1 with 6, 7 with 4, 3 with 2 and 5 with 8. That will change where the spark goes to. Another Solution is to carefully rotate the cap with wires still attached. Either method will rotate during order 180 degrees without pulling the distributor. If it runs more like it should, then I would pull the distributor and rotate it. But rotating cap or switching the wires on the cap to the correct order will determine if that is ths case. I would like to know if I helped youso please let me know
Posted on Dec 16, 2012
Sounds like your timing is off by 180 degrees
pull the distributer out.
hold the body and turn the rotar arm 180 degrees and push it back in.
Posted on Apr 12, 2009
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Posted on Jan 02, 2017
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