code 31, 41 and 67?? little help please? - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1987-1991 Parley with regards to your 1987 to 1991 Bonneville, Olds 88 or Buick Le Sabre Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 06-02-2007, 03:46 PM   #1
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Default code 31, 41 and 67?? little help please?

12 - Diagnostic Mode


little lost here...

read below..
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Old 06-02-2007, 03:52 PM   #2
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Everyone has that code. Please read Techinfo. It'* confirming you are in communication with the PCM.
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Old 06-02-2007, 03:53 PM   #3
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ya i got it... needed to wait a little bit longer...


throwing code 31, 41 and 67.... whats 67?

oh ya btw this is a 91 riviera
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Old 06-02-2007, 03:57 PM   #4
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you sure it said 67? 65 is tops IIRC and thats an EGR thing. Check again.

As far as 31 and 41

31 - neutral safety switch
41 - cam sensor circuit
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Old 06-02-2007, 04:06 PM   #5
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yep i double checked it... its code 67...
ill wait and see if anyoneone else has any input on this situation...

also how much of a pita is the cam position sensor to change?? the part is only 18 bucks... but the garage said about 100$ labor... screw that... (well thats what he said) so it loks like ill be doing the work... AHHHHHHHHHHHHHHHHHH lol
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Old 06-02-2007, 06:37 PM   #6
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Got a 10mm socket, a 6" extension, and a ratchet? It'* right above your water pump in the timing chain cover. Unless of course, the magnet is gone.

Remove the sensor and have someone crank the engine around until you can see the magent (or the hole where it should be) in your timing gear.

Google is your friend. Did you try to search? Got it on the first attempt (Some GM badged vehicles differ in code definitions, especially Buicks):

Quote:

Cruise control - switch
circuit problems.
OR
Air Conditioner (A/C)
pressure sensor - circuit
problems.
OR
Torque Converter Clutch
(TCC) solenoid - circuit
problems.
OR
Cruise control switches -
circuit problems
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Old 06-02-2007, 07:20 PM   #7
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My book only goes to code 65.NO 67.Maybe its a Riviera thing
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Old 06-02-2007, 07:49 PM   #8
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Did you read my reply above about Buick codes?

Try again.
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Old 06-02-2007, 08:07 PM   #9
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I am going to make the assumption that the 91 Riv uses the 3800 Tuned port and the 4T60-E as well as the newer puter...

I believe that your codes will be identical to the 92 bonneville PCM codes

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Old 06-02-2007, 09:57 PM   #10
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hmmm well i just got home.. quite drunk... havent tryed anything.. ill get on it in the morning... ill try to find a riviera forum to see if maybe they have a code 67... or even the 92 + 67 code.. idk.. anything will help... thanks all..
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