Quote:
Originally Posted by forgedoil
my 88 NA Supra, whenever I accelerate full throttle, like entering a fwy, it "bogs"/Putters" when the motor reaches 4200 rpms.
I dont have any codes. What could this be? I recall once forgetting to put the dipstick in the dipstick tube and the car motor would stall at a stop light, once i put the dipstick in the dipstick tube it ceased doing that. With that being said; I noticed the dipstick tube housing was loose and easily came off. So I put silicone around the rim that enters the motor and the seal slightly improved the puttering upon full throttle acceleration but the car still putters" and gets stuck" at around 4200 rpms...???
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Sounds to me like it could be meany things ur car is natraly aspirated but still relies on a vacuum to do such tasks as regulat fule presser, I'd start with that then check ur ignition (spark plug spark plug wires distributer/coil pac and timing) a nother could be ur fule filter.
Those could cause hesitation/bogging but in a natraly aspirated engines I haven't seen it happn in such heavy symptoms I'd sugest there be multiple problems.
Mine only has hesitation sometimes and only in the lower rpm band ( so no building boost)