Help - Rough Running P0171/P0300
#12
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There is a gear on the distributor drive shaft that meshes with the gear on the camshaft:
![](https://blazerforum.com/forum/attachments/2nd-generation-s-series-1995-2005-tech-41/10974-help-rough-running-p0171-p0300-oilpumpdrive.jpg?dateline=1356968443)
If the distributor housing is not aligned correctly in the intake manifold, the gear wears and the shaft will not rotate smoothly and true.
![](https://blazerforum.com/forum/attachments/2nd-generation-s-series-1995-2005-tech-41/10974-help-rough-running-p0171-p0300-oilpumpdrive.jpg?dateline=1356968443)
If the distributor housing is not aligned correctly in the intake manifold, the gear wears and the shaft will not rotate smoothly and true.
#14
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Welcome to the forum! Post #7 above should take you to the problem, If not, it would be best for you to start a new thread describing your symptoms.
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