[stupidbikerz24]

Ok i have a 90 cav z24 so the car turns over fine with no hesitation and i can drive the car around all day without anything happening but once i start to gas it at the same position(gas peddle) every time the car stalls or bogs down and drops rpms and then levels out and is fine but once i hit the exact point it will do the same thing over again very weird i cannot find on any other posts PLEASE HELP its fucking up my racess haha

 

[stupidbikerz24]

i also replaced the IAC today and its doing the same thing?
PLEASEEE HELP MEE

 

[pezed]

Throttle Position Sensor

 

[stupidbikerz24]

replaced that 2 and its still doing it....the other day its liek i caught it at just the right position and held it then after my gas was cut off i had to put it into neutral and then back into drive but the car didnt stall? this is really getting annoying and i thank you for your help

 

[1988cavalierz24]

Fuel Filter? Caused mine to hesitate at/near WOT

 

[bigt666]

im having the same problem with mine anyone know whats the problem

 

[thumbs]

sounds like a bad egr valve

 

[jimboh247]

Before replacing a bunch of parts, check your fuel pressure. If the pump is going bad, it will give you the same symptoms. Cleaning the ERG won't hurt either.

 

[stupidbikerz24]

ive had everthing under the hood replaced on this thing now and one of my good firneds just bought a new technology fuel pressure gauge which measures volume.....the pressure is fine but at WOT i get no volume to the heads i ordered a new fuel pump and its goign intoday hopefully thats wut solves the problem thanks again guys

 

[stupidbikerz24]

ok so finnaly after replacing everysingle thing on my engine i finnaly got it it was the injectors 4 outr of 6 werent gettign enogh amps so i replaced all of them put everyhitng back together and left a 70 foot skid mark in front of my house yes finnaly its not stalling or surging anymore also throttle responce is signicant thx thought for all your help 8)