1987 Chevy Van EGR Testing

1987 CHEVROLET VAN
167,000 MILES • V8 • 2WD • AUTOMATIC
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PUBTECH
  • MEMBER
  • 3 POSTS
I have an EGR error code on the van. When I put a vacuum gun on the EGR with the engine running the vaccuum will not hold the EGR open and does not kill the engine. When I remove the EGR from the engine and use the same vacuum gun the EGR valve holds at approx 8 in. Is the EGR bad or not????
Aug 26, 2010 at 6:07 PM
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SATURNTECH9
  • ✓ASE Certified Mechanic
  • 30,869 POSTS
  • ASE Certified Mechanic
It should hold more then 8 inches and should hold with the engine running you need a new valve.
Aug 26, 2010 at 6:10 PM
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