1998 Chevy S-10 map sensor

1998 CHEVROLET S-10
100,000 MILES • 4 CYL • 2WD • AUTOMATIC
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EJMONROE1
  • MEMBER
  • 1 POST
i have had the truck put on a tester they said map sensor was bad ...i dont have alot of money a single mom so i have 2 engines at home from s10 with blown engines ...i took map off one still same reading but what i was wondering is if there is a way to clean the senor or what could cause the senor to have a bad reading if the sensor is good.note the cataylic converter on the truck is rattlling inside ..could that be the problem ....
Aug 22, 2010 at 11:25 AM
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JDL
  • ✓ASE Certified Mechanic
  • 16,098 POSTS
  • ASE Certified Mechanic
I don't know a way to clean it. At the map sensor connector, I'd check the wiring circuits first. Ref voltage--ground--signal. Also check the vacuum source.
Aug 22, 2010 at 11:44 AM
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