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Old 08-14-2009, 11:32 PM   #18
PRUNEDA
'87
 
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Join Date: Jun 2004
Location: Katy, TX
Posts: 632
Re: '89 Chevy Trouble Codes 32,34,45

The number on the old valve was 17087194. When I lifted the diaphram It was noticable and was close to shutting down. I've been searching and I've found information about a ported vacuum switch. Do you know if these trucks have that switch, I don't remember if I've seen one there.
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