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1995 Saturn SC1 starting and idling

Tiny
JUSTINSC62
  • MEMBER
  • 1995 SATURN SC1
  • 1.9L
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 120,000 MILES
When I start my vehicle for the first time or after a few hours of not running it stalls out one or two times before it finally idles. Another problem is idling, it does not idle steady it bounces about 300 rpms up or down and when I give it gas it will drop about the same amount then it will go back up but only when I give it gas. I've changed out the tps and the coolaint temp sensor that runs to the computer. Plz help
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Sunday, February 23rd, 2014 AT 10:50 PM

5 Replies

Tiny
SATURNTECH9
  • MECHANIC
  • 30,870 POSTS
Did you change the top or bottom temp sensor?
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Monday, February 24th, 2014 AT 6:39 AM
Tiny
JUSTINSC62
  • MEMBER
  • 3 POSTS
I changed the one in the middle of the block, the one closest to the firewall
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Monday, February 24th, 2014 AT 10:08 PM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,870 POSTS
What color were the wires going to it?
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Tuesday, February 25th, 2014 AT 6:28 AM
Tiny
JUSTINSC62
  • MEMBER
  • 3 POSTS
Not sure what colors they are but its the only one with 2 wires
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Monday, March 17th, 2014 AT 11:45 PM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,870 POSTS
So do you have a scan tool that can read live engine data like coolant temp?
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Tuesday, March 18th, 2014 AT 7:35 PM

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