Join Date: Jul 2010
Location: Hagerstown, MD
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I have to agree, get the fuel pressure checked asap and see if it can hold full pressure at the higher rpm range.
Ive had fuel pumps that could sustain a low throttle, low rpm, but fail horribly as soon as they were put under a load.
Simplest thing to check first would be the fuel supply, if that all checks out then move onto the ignition. However I dont think that will be a problem because generally if the ignition was cutting out you would simply have a dead engine. Unless a ground is loose, then I suppose the vibs at higher rpms could cause a intermittent problem.
Fuel first, then possible ignition failure. Although I could be wrong, but thats my best guess from the information given.
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