Idle problems with 2002 Saturn

Tiny
MAX_KOENIG
  • MEMBER
  • 2002 SATURN SL2
  • 13,400 MILES
Idles up then back down when putting in reverse and idles to fasst while driving with out giving gas
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Saturday, November 5th, 2011 AT 1:31 AM

13 Replies

Tiny
SATURNTECH9
  • EXPERT
Any codes?Have you checked your coolant temp sensor and connector yet?Also have you checked for vacuum Leaks?Also possibly a sticking idle air control valve.
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Saturday, November 5th, 2011 AT 1:38 AM
Tiny
MAX_KOENIG
  • MEMBER
Idles up and down when goes in drive also and makes trans mission engage hard also shifts down hard when slowing to a stop because idle stays high but not to extreme also takes off easy when in gear with out giving gas
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Saturday, November 5th, 2011 AT 1:38 AM
Tiny
SATURNTECH9
  • EXPERT
So any codes?Have you checked anything I asked about?
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Saturday, November 5th, 2011 AT 1:45 AM
Tiny
MAX_KOENIG
  • MEMBER
Code comes up occasionally coolant temp to low
no vacum leaks dont kknow where air control valve is
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Saturday, November 5th, 2011 AT 1:47 AM
Tiny
MAX_KOENIG
  • MEMBER
Yes coolant temp to low code oxygen sensor slow to response right bank
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Saturday, November 5th, 2011 AT 1:53 AM
Tiny
MAX_KOENIG
  • MEMBER
Is there a idle cylanoid
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Saturday, November 5th, 2011 AT 1:59 AM
Tiny
SATURNTECH9
  • EXPERT
O2 sensor right bank?You only have one bank on that engine. What are the exact code numbers not code descriptions.I would be checking the coolant temp sensor and connector with that ect low temp code that will throw off the idle.
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Saturday, November 5th, 2011 AT 2:00 AM
Tiny
SATURNTECH9
  • EXPERT
Please read and answer my last post it will help lead you to your problem of high idle.
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Saturday, November 5th, 2011 AT 2:09 AM
Tiny
MAX_KOENIG
  • MEMBER
I think po208 dont have code reader here sorry maybe 203
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Saturday, November 5th, 2011 AT 2:19 AM
Tiny
SATURNTECH9
  • EXPERT
Those codes dont sound right do you have a multimeter?
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Saturday, November 5th, 2011 AT 2:22 AM
Tiny
MAX_KOENIG
  • MEMBER
Feels like shiffting gears down manually car runs so good just happended suudenly t hank you for your help
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Saturday, November 5th, 2011 AT 2:25 AM
Tiny
MAX_KOENIG
  • MEMBER
At work at service pro
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Saturday, November 5th, 2011 AT 2:28 AM
Tiny
SATURNTECH9
  • EXPERT
When the car is ice cold and its the same temp as outside temp and you know the outside temp. There is a coolant temp sensor with two wires going to it a black wire and a yellow wire the sensor is screwed into the head right below where the upper radiator hose goes onto the head. Unplug the sensor and measure its resistance across the sensor. Also the inside of the connector going into it see if the terminals are silver and not blue or green if there blue or green you will have to replace the connector. Or you can just try replacing the sensor there only like 10 and inspecting the connectors and wires going to it.
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Saturday, November 5th, 2011 AT 3:34 PM

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