Re: '91 900S 2.1 LH2.4.2 Engine idles bad/bogs under load - Saab 900 Bulletin Board - Saabnet.com
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Re: '91 900S 2.1 LH2.4.2 Engine idles bad/bogs under load
Posted by Saabnutt (more from Saabnutt) on Sat, 28 Feb 2009 22:38:29
In Reply to: '91 900S 2.1 LH2.4.2 Engine idles bad/bogs under load, Brian5saabsNow, Sat, 28 Feb 2009 22:10:28
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Check the large air intake tube coming from the AMM to the throttle body for cracks and splits. Check the ignition amplifier plug for corrosion on the inner wheel well inside the engine compartment on driver side. Is the hose on your charcoal canister broken and is the valve clicking. Anything from the gas tank forwards will cause a vacuum leak if bad. The 91/900s has the hall sensor behind the flywheel, so check the wireing coming from it for shorting. Have you listen to each injector for even clicking? Is the car running rich like the NTC senor is bad? Hoes the coil and its center wire?
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