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Old 03-03-2011, 06:49 PM   #4
jeffcoslacker
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Re: 91 Accord Getting gas in the oil, An ideas?

A fuel injector that sticks open and bleeds all the fuel pressure off the rail when sitting is a common cause...you could see that real easy with a fuel pressure gauge, watch the reading after shutoff.

You can also use a stick or mechanic stethoscope to listen to each injector, make sure you can hear it clicking as the pintle closes each time. Should be a real sharp ticking. Muffled sound or nothing is trouble...

Usually hard to start/long crank time, because the rail is empty so it needs a moment to re-pressurize, and one cylinder is flooded, so they usually miss and perhaps soot smoke for a second or two after starting...

A fuel pressure regulator gone bad can deliver too much pressure to the rail and cause this too...but it will run crappy and rich if this happens....smoke..etc...
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