Hesitation during accelerating - Saab 900 Bulletin Board - Saabnet.com
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Hesitation during accelerating
Posted by WJ (more from WJ) on Thu, 11 Jul 2002 03:04:51
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The check engine light was burning on my Saab 900 2.1 16v form 1991. The following codes where on (12231, 12111, 12112, 12241). The only problem during driving was hesitation during acceleration. I measured a few things at the O2 sensor and the Air Mass Meter and they seemed to be ok. I cleaned the AIC and the throttle valve. After the cleaning action I got some major hesitations during higher rpm's. That became less after a day or two. The check engine light doesn't burn (yet). But there is still some hesitation (low rpm's) and some major hesitation (higher rpm's). What can be the problem.
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