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1123 code help needed


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I have been battling with the car throwing an 1123 error for at least a year. The car started last summer and I cleaned the MAS with electrical contact cleaner. That worked for a bit but it came back. Then I replaced MAS sensor and the car was fine for about 10 months and at least 2k miles. I started to use the AC and the 1123 returns. It seems to happen when the car is sitting in traffic. This is the only code the car is showing. I am using the Durametric software on one of my laptops. My car is a 99, 6 speed manual with just under 25k on it. The oil changes and air filter have been done but I have had no other engine service.

I did some searching on the form and it seems like others have had issues but usually had other problems or codes as well. Before I just start replacing parts I thought I would drop a post to get everyone’s input.

Thanks

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