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mcedata mcedata is offline
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Join Date: Dec 1969
Posts: 5
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911 not firing on 1 cylinder

Need some advice...again! Last year, had trouble with my 1989 911 not starting and draining the battery overnight. Followed the advice I got here, replaced the DME relay. It then cranked up, but rough-running...appears that one cylinder is not firing (it had been sitting with no use for over 6 months). Been under the weather for months, so I let it sit...for almost a year this time, and finally got back to it. Tested this out by removing a plug wire, cranking it up, and seeing if it ran worse or the same. Isolated the problem to the cylinder closest to the rear of the car on the passenger side...car runs the same whether that plug wire is on or not. Pulled that plug wire off, plugged it a spare plug, cranked it up...lots of fire. So, I assume that I may have a blocked injector...?
Is there any way to clean the injectors without pulling the rails out and sending the injectors out? Complicating factor is that there is a air cond. compressor blocking access to the rail.
Anybody want to buy the cleanest 911 you've ever seen?
Thanks for any suggestions...

Steve
Old 05-04-2013, 10:16 AM
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