Codes 34 & 41 on 1991 SSE - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 06-13-2003, 09:54 PM   #1
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Default Codes 34 & 41 on 1991 SSE

PLEASE HELP!!!
1991SSE
When the car is idling is runs rough, step on the gas and it hesitates. Once you get going the car runs like a dream, lots of power, good fuel economy.
I put a code reader on it and it came up with code 34 and code 41.
I need to fix but not much money.
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Old 06-14-2003, 12:15 AM   #2
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Eeesh...code 41...cam position sensor. One of the worst, it could be as simple as a wonky cam position sensor, or as bad as the cam magnet being cracked or gone.

Hate to break it to ya, but, unless you have know-how and the right tools, Code 41 is a bad scene....trust me, I just dealt with it. I ignored my code 41 issues for 1 year, it cost me $850 dollars CDN.

If you can do it on your own, should be anymore then $100 to $150 bucks in parts
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Old 06-14-2003, 12:18 AM   #3
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the code 34 is the Mass Air Flow sensor. This would definately explain your driveability problems.
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Old 06-14-2003, 12:19 AM   #4
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34 means that your mass air flow sensor is indicating flow that is erroneously low. That may be shot as well.
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Old 06-14-2003, 11:47 AM   #5
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Thanks for the advise. now where is the cam positioning sensor located, and how hard is it to fix on your own.
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Old 06-14-2003, 10:55 PM   #6
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Hey United

Do you have the tools to do these repairs?
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Old 06-14-2003, 11:09 PM   #7
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i probably don`t have the right tools. No matter how many tools i have, its never the right one.
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Old 06-14-2003, 11:53 PM   #8
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Hmmm, you can probably do the MAF sensor on your own no prob. Maybe try saving up for the Cam positioing. I lived with it for about a year. the sputter accel sucks huh?
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Old 06-15-2003, 06:44 PM   #9
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:( I have to live with the sputter accel too! I saw a thing in summit or jegs a while back that replaces your maf sensor and makes it react to mashing the throttle faster for faster throttle responce and it adjust your timing too. It was made by a high quality comapny and all but I don't know about it yet. I still havent taken my car to see what codes mine is throwing yet but it probably is a 41. I do have the tools to fix it though and will do it myself.
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Old 06-15-2003, 11:33 PM   #10
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you can check you coodes on your own by doing the procedure in TECHINFO. it will work on cars up to 93.
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