When i am in the park position my engine will not go over 4000rpm also bounces from 3000 to4000 rpm and backfires thru the carb,the engine is a straighy 6 1999jeep grand cherokee
Not sure if this applies to yours but some vehicles have rev limiters on them stock for when vehicle is in park.
Are you having drivability issues?
Yes it cuts out when i acellerate but when i barelly give the Gas it will pick up and go
Air filter, fuel filter, plugs, wires, ect ok?
Also is it a daily driver or has it been sitting UNDRIVEN for a while?
Could be a bad injector also....does it idle rough?
Yes iy idles rough it drives better after i take off snd hit aversge speeds but still misses
Check engine light on?
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