Re: 5K Stumbles on Start

["Stephen Bigelow" <sbigelow@sprint.ca>]

Wouldn't low fuel pressure cause more of a problem at higher rpm's? Since
fuel pump output is independant of engine speed....

Stephen Bigelow
e-commerce/ Business Development
http://www.countdown9199.com/
IBO # 823967



>My 865ktqw exhibits pretty much the same symptoms, it never quite dies but
>it is getting worse.  Having checked all electric's and vacuum leaks I'm
>also leaning towards low fuel pressure.  I'm presently seeking a fuel
>pressure gauge to confirm my suspicions.  I shall report on my findings.
>
>Lino
>86 5ktqw
>83 Ur-Q

>>My wife's 5KCSTW has sort of caught a cold...
>>
>>When one starts it up first thing in the AM, it catches just fine, but
>>stumbles along for a while.  If you take your foot off the gas it might
>>die and just stumbles along at ~500rpm or so.  If you race the engine up
>>to 2000rpm once or twice, it settles down into a good idle and seems
>>fine, even without the foot on the gas.
>>
>>I can't quite figure what could be causing this.  Vacuum leak seems
>>unlikely because rev'ing it up a time or two fixes the problem.  Low
>>fuel pressure maybe?