Quote:
Originally Posted by emerydc8
When you say "stumble," do you hear anything that sounds like preignition when it's under a load? I'm talking about what it commonly referred to "valve ping."
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I mean a flat spot, miss, stall, hesitation almost die out.I dont think it is anything like a ping from using lower octane gas, or bad timing etc.
It can vary from almost a hiccup , to feeling like the engine stopped completely for one second or more, if I do not back off on the pedal . It varies according to how aggressive I am on the throttle.
More gas when it happens, it almost dies totally. Less gas it hesitates/sputters for a shorter period of time. I think I just instinctively back off on the throttle when I feel it , so as not to cause any damage.
Feather the throttle and no problem whatsoever. I have become very proficient at feathering, and could probably drive witout breaking an egg on the gas pedal.
The few times I tried to power thru it by giving it more gas, the engine just felt worse and nearly died completely on me.