Help...'90 900 hesitating under load at high RPM's - Saab 900 Bulletin Board - Saabnet.com
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Help...'90 900 hesitating under load at high RPM's
Posted by Tracy (more from Tracy) on Sat, 14 Feb 2004 09:08:39
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I can't figure this out. Hesitation followed by the 'check engine light' comes on sometimes if the engine is hot and I accelerate heavily around 2,500-3,200 rpm. This is what I have already addresed; New spark plugs and wires-New dist cap/rotor-Different AMM-cleaned throttle body butterfly-new air filter-Checked fuel pressure/regulator.(replaced very cloged filter and I can hear the pump whine a bit-but pressure still checks OK) -New O2 sensor. I still can't find out whats wrong. It only happens at these high RPMs and only when its hot. Anyone out there know whats going on?
posted by 207.14.16...
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