Question about 1999 Chevrolet Astro
Starts out at 40 PSI and drops to 20 PSI any help? 4.3 v6 automatic vortex engine
How many miles? Next oil change use Gunk motor flush this will remove any build up. Also check wire going to the oil pump sending unit. You might need a sending unit pod. Any parts store will have this.
Posted on May 27, 2009
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Posted on Jan 02, 2017
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