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gmendo gmendo is offline
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Join Date: Jun 2011
Location: Rancho Cucamonga, CA
Posts: 139
No hot start, hesitation once started.

So I finally got my 930 back together. It did have 1/3 tank of bad (several years old), 1/3 tank of 91 octane (1 month old) and 1/3 tank of 100 octane (also month old) gas. It ran great at first but soon it developed a hot start issue. It starts fine when cold but it won't start when hot.

There is spark, timing is right, coax cable checks ok. Coil check ok, The fuel pumps do turn on. The sparks plugs look ok. But the only way to get it started when hot is by slightly pressing on the metering plate a few times while cranking.

When this issue first came up, once it finally started, it would idle rough for a few seconds, then it would run great. Then it started to hesitate under boost only. Now it hesitates almost all the time.

I'm stumped as to where to go from now. All this happened in the last two days. Is t possible that bad gas made good gas go bad, do I have gummed up valves in my fuel head? What do I check now?

Last edited by gmendo; 07-09-2011 at 09:29 PM..
Old 07-09-2011, 08:25 PM
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