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Car Just Doesnt Go Between 3000/4000Rpm When Cold

RamR33

By RamR33,
in General Maintenance

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RamR33 Community Regular

RamR33

Posted
Posted

hey guys just really getting annoyed with my car when driving it cold or even first line in dash water temp...

i just drive ok soon as i hit 3000/4000rpm just sounds like it splatters/hesitates, exhaust sound is like brrrrr brrr when between that rev range but when its fully warm no problem at all runs good...just dont get it..

any ideas guys cause have to always wait till it warms up fully and is a pain..

RamR33 Community Regular

RamR33

Posted
  • Author
Posted (edited)

Well i just changed the turbo to slightly bigger and it is doing it all of a sudden never done it with the stock one... just when im about to hit boost which is the revs i described....

Under oiled turbo? u mean like no oil coming through or just takes a while to get oil in until its fuilly warm....seems like that.

Edited by RamR33
tridentt150v Grand Master

tridentt150v

Posted
Posted

your probably hitting R+R because its still cold and you have a bigger turbo

doubt its anything to do with turbo bearings being under oiled

not much you can do about it if you still have the std ECU, its a tuning thing

RamR33 Community Regular

RamR33

Posted
  • Author
Posted

if it was the bearings it be stuffed and smoking and all plus i have a braided line which came with the turbo which was new and i have a greddy computer on it so im sure its a tuning thing as it wasnt really tuned only tuned for detonation as in power tune...its still ok but just takes awhile to warm up but i guess i can live with that for now :)

agentx Rising Star

agentx

Posted
Posted

my r32 has the same issue exactly for over 6 months now. Stock ECU, stock r33 turbo. I had a TR43 turbo before but changed to a r33 turbo now - I've changed fuel pump, coil packs, spark plugs and O2 sensor, still there. Funny thing is, the issue goes away EXACTLY when the temp gauge hits half way mark - on the DOT!

any other ideas? :(

RamR33 Community Regular

RamR33

Posted
  • Author
Posted (edited)

i maybe thought it was going into coldstart mode so thought it was the water temp sensor but guess not...like u said when its half way or at its normal engine temp its all good.....Maybe FPR or AFM...

Has to be ecu just going a lil koo koo until it hits its normal operating temp.Tune must be the last option i guess.

Edited by RamR33

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