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1990 blazer s10 4.3 tbi obd code 13, 32

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Old Jul 1, 2015 | 12:48 PM
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Talking 1990 blazer s10 4.3 tbi obd code 13, 32
i read the codes on my 1990 Chevy s10 blazer and got a 13 for o2 sensor and a 32 for the map sensor. what order should I change things and how should I troubleshoot the 32 code or should I just change the ECM. any help will be appreciated
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dave
 
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Old Aug 8, 2015 | 08:38 PM
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I had the map sensor code, truck was missing, going dead, and would be hard to crank. I changed the MAP sensor and fixed the problem.
 
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