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jumping/lurching/bogging below 2500rpm, smooth over 2500
#4
sounds like spark bad (seems)
the symptoms are not clear to me. (under all driving condidtions)
hot and cold, ok both and super good clue there.
if not spark what is it. (plugs,cap,rotor.wires set ) I run mag wires, to make spark way better on this WEAK system.
the spark gap must be 0.028" not , .045" as they come out of the box (as all do) is this correct,?

the events happen all the time or is it random.
idling parked
driving only , my guess yes.
driving flat grown steady right foot, ? i guess no.
accelerating , yes. even on flat ground and on hills.?
wot, do you have full wide open throttle power on hills, in all gears,that normally can do this.???


so far seems like low fuel pressure, (or bad maf of the maf never cleaned)
bad FPR (may are now bad this old , vast posts here on this 1 part)
weak pump
weak MAF.

if and only if spark is ok.
http://www.fixkick.com
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RE: jumping/lurching/bogging below 2500rpm, smooth over 2500 - by fixkick - 04-20-2018, 10:24 PM

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