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Engine coolant

Tiny
LEANORD1
  • MEMBER
  • 1999 SATURN SW2
  • 4 CYL
  • AUTOMATIC
  • 108,734 MILES
I drive for 10 miles in the freeway or something and my coolant boils and gets hotthat smok comes out all the time? Why is it cause of my code. P 0452 or what I allready flushed it.
Thursday, April 14th, 2016 AT 9:30 PM

2 Replies

Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
Have you replace the radiator cap yet?When the radiator cap goes bad they don't hold the correct pressure and will allow coolant to escape even if the engine isn't over heating. Does your radiator fan work?
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Thursday, April 14th, 2016 AT 10:34 PM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
Also do you have a scan tool that can read live engine data?
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Thursday, April 14th, 2016 AT 10:35 PM

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