I have a problem that started one day the car was at full temp and it started running like it was at the rev limiter is the best way to describe it except it does it at idle, while driving, if I rev it up or not it’s up and down up and down It doesn’t do it when cold if I drive it around get it good and hot then it does it I’ve replaced fuel pump and all fuel lines except the ones by the tank and filled the carb appart and cleaned it and cap and rotor and I really can’t figure it out without just replacing everything until it’s fixed and I can’t afford that please help
Keywords:New Yorker
This sounds like a vacuum leak to me. Spray some brake wash around while the engine is running and listen for the engine tone to change to help locate the area that has the leak. Stay away from the exhaust.
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