Fuel Injection Issues at Constant Engine RPM - Saab 900 Bulletin Board - Saabnet.com
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Fuel Injection Issues at Constant Engine RPM
Posted by GMcB (more from GMcB) on Thu, 18 Apr 2002 22:36:13
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Fuel Injection Issues at Constant Engine RPM
I have recently purchased a 1991 900i 16v 2.1l – my 4th Saab. The engine performs well and is in good condition with 170 000 km total k’s. The car starts well, idles well, accelerates well and does not miss. When running at constant speed – typically 2000- 3000 rpm on the open road, the engine starts to miss perhaps every 10 secs for an instantaneous period.
If I accelerate from that rpm , the problem disappears until the rpm is held constant again.
I do not believe it is ignition leads, nor a fuel pump issue but have not performed any tests as yet. I have available fuel pressure test equip that I setup for my earlier 8V CIS fuel system.
Any thoughts on where to start??
posted by 202.139...
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