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1997 Saturn SC1 P0708

Tiny
JEREMYSMPSNLEE
  • MEMBER
  • 1997 SATURN SC1
  • 189,000 MILES
I was having some starting problems with my car and thought it worth while to do some general maintenance(ie air filter, fuel filter, etc) I also was having problems with some my temp gauge from time to time and so I had a frien also put in the temp control sensor while he was at it. When we finished with the tcs we got a p0708 code and could not figure out why. He code seems to disappear when we remove the harness to the tcs not really sure what to do at this point and don't really have money to have the shop start poking around under the hood till they figure it out. Any suggestions on what might be wrong?
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Wednesday, July 3rd, 2013 AT 10:54 PM

15 Replies

Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
So did you replace the coolant temp sensor or transmission temperature sensor?Which TCS harness are you talking about?
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Thursday, July 4th, 2013 AT 7:33 AM
Tiny
JEREMYSMPSNLEE
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We replaced the engine coolant temp sensor, or at least I believe so. We followed the radiator line back to the engine block and about a half inch or so towards the whindshield and two inches down was a two wire cap that We pulled off. Removed a sensor that looked identical to the one that I purchased(the only difference was the one I had was a tan connector as opposed to a white connector. Afterwards We proceeded to take the fuel filter off from the top and sent it down throught the bottom. At this point he noticed a wire dangling and was not sure what it came off of the piece was badly corroded and appeared to have been broken off and we simply can't find where from. My drive home last night I noticed that each shift was hard I did not get above second but I really didn't try. Thanks for the help.
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Thursday, July 4th, 2013 AT 8:31 AM
Tiny
JEREMYSMPSNLEE
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We did reinstall the other sensor btw exactly the way we took it out the fuel filter was after the temp coolant sensor was back in place sorry for the confusion
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Thursday, July 4th, 2013 AT 8:34 AM
Tiny
SATURNTECH9
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Is the mystery wire your talking about black and has a. Flat female spade connector and the wire is a pretty thick?
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Thursday, July 4th, 2013 AT 8:46 AM
Tiny
JEREMYSMPSNLEE
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You know I believe it is or at least similar it was near the bottom of the engine.
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Thursday, July 4th, 2013 AT 8:50 AM
Tiny
JEREMYSMPSNLEE
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I can go out this after noon and pull the air hose off and take a gander to be sure
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Thursday, July 4th, 2013 AT 8:53 AM
Tiny
SATURNTECH9
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Also look where your shifter cable hooks up you will see your selector switch at the top of it there is two tabs one has a barb the other doesn't. The one without the barb should have a wire meeting my description of the wire I described to you hooked to it?
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Thursday, July 4th, 2013 AT 9:34 AM
Tiny
JEREMYSMPSNLEE
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I have included for you a couple images of what I am seeing and what I understand you describing let me know. I also have images of coolant temp sensor and harness if you would like to see those
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Thursday, July 4th, 2013 AT 9:57 AM
Tiny
JEREMYSMPSNLEE
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I did get confirmation this afternoon through another mechanic that that cable and that part are suppose to be together. I think he called it a shift position control sensor. When I called the parts store they sai that they didn't have that but had a neutral safety control switch. Are these parts the same thing, different name. The guy at the parts store said it was for an automatic transmission. I the car safe to drive while the parts are being shipped? Thanks so much for all your help.
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Thursday, July 4th, 2013 AT 2:39 PM
Tiny
SATURNTECH9
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I didnt say to change the selector switch that wire looks like the wire that goes to the tab on the selector switch I was asking if it was hooked to the known barbed tab. Because if it isn't it will see codes.
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Thursday, July 4th, 2013 AT 3:20 PM
Tiny
JEREMYSMPSNLEE
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Do I have the correct parts in those photos? Do I need to jack the car up in order to find the cable? At the top of what I believe is the selector switch is a metal nub where the connection can slip over but it is not barbed and there appears to be the remnants of another connector that has been broken off.
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Thursday, July 4th, 2013 AT 3:56 PM
Tiny
JEREMYSMPSNLEE
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At this point the wire is not connecter is not fastened to the selector switch I can certainly give that a shot though. I don't have a code reader so I can go to a parts store after the fourth and reset the codes. If I get the code again is there something else I should try?
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Thursday, July 4th, 2013 AT 4:20 PM
Tiny
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Sorry I didn't see the pic of the selector switch if the tab without the barb is broken off you need a new selector switch because that's where the wire goes.
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Thursday, July 4th, 2013 AT 5:21 PM
Tiny
JEREMYSMPSNLEE
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Ok thanks. The parts stores say they have a neutral safety control switch. Is that the same thing. My car is an automatic.
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Thursday, July 4th, 2013 AT 6:28 PM
Tiny
SATURNTECH9
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Yes that's another name for it you will also need a multi meter to adjust the new switch when you install it.
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Friday, July 5th, 2013 AT 8:34 PM

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