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Old 10-28-2015   #41
Mr Blue
 
Join Date: Feb 2013
Location: Tallmadge OH
Posts: 116
Default Re: Stalling issues - Code 31 (Camshaft Position Sensor)

When I bought my car it was leaking from the cam sensor.
It worked fine but he mounting flange was broken. I have the old one in a drawer somewhere. I'll look for it when I get home from work. It might at least be a diagnostic tool.

David
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Old 10-28-2015   #42
MuRCieLaGo
 
Join Date: Aug 2014
Location: Trois-Rivieres (QC)
Posts: 473
Default Re: Stalling issues - Code 31 (Camshaft Position Sensor)

Quote:
Originally Posted by Mr Blue View Post
When I bought my car it was leaking from the cam sensor.
It worked fine but he mounting flange was broken. I have the old one in a drawer somewhere. I'll look for it when I get home from work. It might at least be a diagnostic tool.

David
Thank you very much, I'm looking for a camshaft position sensor at the moment, few people said they had the exact same problem and that was it...
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Old 10-28-2015   #43
MuRCieLaGo
 
Join Date: Aug 2014
Location: Trois-Rivieres (QC)
Posts: 473
Default Re: Stalling issues - Code 31 (Camshaft Position Sensor)

Don't bother finally David,

I just ordered a brand new Cam sensor. Thanks a lot anyway I appreciate it.
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Old 10-29-2015   #44
MuRCieLaGo
 
Join Date: Aug 2014
Location: Trois-Rivieres (QC)
Posts: 473
Default Re: Stalling issues - Code 31 (Camshaft Position Sensor)

I just found that this three-way hose is pretty loose on all ends. Tried to spray brake cleaner on it and it doesn't affect the idle at all...

I would really like to adjust the IAC though. My 2 best guesses are either the IAC or the cam sensor (ordered).

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Old 10-29-2015   #45
We Gone
 
Join Date: Apr 2004
Location: ATL. GA.
Posts: 2,170
Default Re: Stalling issues - Code 31 (Camshaft Position Sensor)

Be sure to check the map sensor hose also its under the silver cover at the rear, has a hose on the bottom as mentioned before it is pron to oil soak and one of the most common issues. It will most likely come off if the motor happens to pop back while stating.
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1990 Steel Blue/Black #2355
1990 Red/Red #1473
1991 Quasar /Black #118 Sold
1991 Turquoise/Black #766 Parted Out
1993 Yellow/White #179 Sold
1990 Black/Gray #1361 Headers/4:10s Sold
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Old 10-29-2015   #46
MuRCieLaGo
 
Join Date: Aug 2014
Location: Trois-Rivieres (QC)
Posts: 473
Default Re: Stalling issues - Code 31 (Camshaft Position Sensor)

Quote:
Originally Posted by We Gone View Post
Be sure to check the map sensor hose also its under the silver cover at the rear, has a hose on the bottom as mentioned before it is pron to oil soak and one of the most common issues. It will most likely come off if the motor happens to pop back while stating.
I tried to find it last time - no luck. Under the silver cover, I'll try again to find it. What about that tiny oil leak from the PCV valve?

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Old 10-29-2015   #47
We Gone
 
Join Date: Apr 2004
Location: ATL. GA.
Posts: 2,170
Default Re: Stalling issues - Code 31 (Camshaft Position Sensor)

The oil under the plenum is most likely from the vent box under the plenum or cam covers. If its the PCV fitting Jerrys sells them new.

Map


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1990 Steel Blue/Black #2355
1990 Red/Red #1473
1991 Quasar /Black #118 Sold
1991 Turquoise/Black #766 Parted Out
1993 Yellow/White #179 Sold
1990 Black/Gray #1361 Headers/4:10s Sold

Last edited by We Gone; 10-29-2015 at 06:34 PM.
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Old 10-29-2015   #48
MuRCieLaGo
 
Join Date: Aug 2014
Location: Trois-Rivieres (QC)
Posts: 473
Default Re: Stalling issues - Code 31 (Camshaft Position Sensor)

-46F outside (warmer than usual), heavy rain.

-Cleaned PCV hose from the outside, to make sure oil is coming from there, time will tell.
-Cleaned map sensor hose with brake cleaner. A bit of black "something" (probably oil) was in there.
-The hose was a bit too long so it was bent. I shortened it by about 2".

-5 miles ride in the city: problem has been fixed

To be continued.
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Old 10-29-2015   #49
MuRCieLaGo
 
Join Date: Aug 2014
Location: Trois-Rivieres (QC)
Posts: 473
Default Re: Stalling issues - Code 31 (Camshaft Position Sensor)

SES light just came on again but no stalling issue; still Code 31.
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Old 10-29-2015   #50
vilant
 
Join Date: Jun 2012
Location: PA
Posts: 772
Default Re: Stalling issues - Code 31 (Camshaft Position Sensor)

I had the same exact problem. I did everything to correct. Turns out my ECM was bad and was chasing a phantom because of it. I strongly suggest you drop a known, good functioning ECM in and see if you get the same codes before you start throwing parts at it, like I did.
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1990 Bright Red ZR-1 #2599
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