I have a ef with a 95 jdm d15b vtec it runs great the only problem is when i punch the gas pedal all the way in it bogs no matter what gear but as long as its over 3000 rpm it bogs. Can anyone help.

 

Any codes? Timing correct? What ECU are you running?

 

i took it to the guy that put it he said no codes and im running a p28 the timing is good

 

check your spark plugs, may have a lose one, or they are fowled... i had a similar problem... that fixed it right up..

 

check ur tps sensor

 

i had a b18a in my ef and when my tps sensor was unplugged thats exactly what it would do. im not positive but you could check ur tps on ur motor.

 

Check injectors, I had same problem and first cylinder injector was bad.

 

yeah that too... tps and map sensor may be backwards too... they are the same plugs i had the same mistake too...

 

if its cutting back then ur ecu could be in safe mode

 

do you know how i can get it off safe mode?

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by jdmd15crx &raquo;</TD></TR><TR><TD CLASS="quote">if its cutting back then ur ecu could be in safe mode</TD></TR></TABLE>

If it was in limp mode it would be throwing a code?

Someone can correct me if I'm wrong, but I've never heard otherwise.

 

yup limp mode im pretty sure it would throw a code..

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 90teg91hatch &raquo;</TD></TR><TR><TD CLASS="quote">yeah that too... tps and map sensor may be backwards too... they are the same plugs i had the same mistake too... </TD></TR></TABLE>

If thats the case should be throwing a code!

 

could be ur crank position sensor i had that same problem i had to get a new dizzy. idk why you wouldnt be throwing a code tho.

 

well he said he bought a new distributor.. problem still wasnt solved..

 

could be a wiring or ground problem

 

Did you switch the 2 outer wires around on the tps.