Re: IML: Fuel Delivery Problem/Fuel Pump Rod

[dardal@xxxxxxxxxxxxxxx]

Quoting RandalPark@xxxxxxx:


> problem. Ignition problems and fuel problems mimic each other in symptoms of
> poor performance. 
> 


Unfortunately, I have had some fuel delivery problems in my 68 LeBaron.  In my
case, it happens at WOT and higher rpms, and its not repeatable.  In my case,
it tends to happen more often in warm winter days when the volatility of the
fuel is too high for the ambient temperature, and it may be related to
restrictions in the fuel line.  At full throttle, its generally easy to tell
between ignition and fuel delivery.  If the problem is insufficient fuel flow,
you lose power completely for a few seconds (super lean mixture gets beyond
combustibility limits), and the power will return after you let off the
throttle.  If the problem is ignition, you have individual cylinders missing
here and there, but the car continues accelerating.  Also, ignition problems
will often occur at less than WOT, whereas I have never experienced fuel
delivery problems at part load. 

D^2



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