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Oil pressure switch test

Tiny
THUNDER123
  • MEMBER
  • 1999 CHEVROLET TAHOE
  • 5.7L
  • V8
  • 2WD
  • AUTOMATIC
  • 202,000 MILES
When I unplug the fuel pump relay the engine shuts off. Does that mean the oil pressure switch is bad?
Friday, June 7th, 2019 AT 10:53 AM

2 Replies

Tiny
SCGRANTURISMO
  • MECHANIC
  • 4,897 POSTS
Hello,

No. It simply means that you have created an open in your fuel pump circuit and that is the reason your vehicle shuts off.

Thanks,
Alex
2CarPros
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Friday, June 7th, 2019 AT 3:16 PM
Tiny
THUNDER123
  • MEMBER
  • 7 POSTS
Okay, thanks.
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Friday, June 7th, 2019 AT 3:55 PM

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