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Re: Rough start - old issue, new clue
Posted by nwas (more from nwas) on Wed, 21 Sep 2011 08:05:31
In Reply to: Re: Rough start - old issue, new clue, Kevin S, Wed, 21 Sep 2011 05:21:32
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The only real difference when the temperature is warm outside is that the ECU will provide more fuel vs. air (think the old choke days). So, when it's warm, there's less fuel being supplied.
What worries me about your fuel supply hypothesis is that it shouldn't make any difference in this scenario. That is, if it doesn't pump enough fuel, or if it's draining back, it would actually be more likley to start warm (less fuel needed) vs. cold (more fuel needed).
So, maybe it's a clogged injector issue? i.e. when it's warm the ECU send less fuel in and you have a clogged injector(s), so it doesn't have enough to start. And when it's cold, it dumps in extra fuel...so even though it's still less than expected (clogged injector) the extra fuel is enough to start? And maybe when you let it pump up before starting, it has enough pressure to push fuel past the clog no matter what the conditions?
posted by 71.174.89...
Posts in this Thread:
- Rough start - old issue, new clue, Kevin S, Tue, 20 Sep 2011 16:27:41
- After Action Report, Kevin S, Wed, 28 Sep 2011 13:50:17
- Re: Rough start - old issue, new clue, Bruce, Wed, 21 Sep 2011 07:18:46
- Re: Rough start - old issue, new clue, AlaskanViggen, Tue, 20 Sep 2011 21:37:12
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