the car idles fine and everything..but when i hit it after it passes like 4500 rpm like it dries up or something...like the car dont pull and it studderes....can it be that the fuel pump is going and is not sending the right amount of pressure and its driying up?? i change the spark plugs and the fuel filter and the injectors also..so my last option is the fuel pump... what you guys think it is???

oh and its a gsr in a EF so its a 1.8 motor with a 1.5 fuel pump can that be the problem?? it never did it before and the car ran good for a few months....

 

check your timing and possibly your dizzy

 

but the car idles find and when is in neutral it will rev all the way..its just when is in load you know pulling the car it will start doing it...oh and not CEL...

 

yea well theres only fuel left so i would try changing the pump(considering there are no cels)

 

im picking up a gsr fuel pump to put in my ef...is it a dirrect bolt on??? or is it different than mines???

 

i highly doubt a fuel pump would cause an intermitten studder like that. check your engine timing. and no a gsr fuel pump will not directly bolt into your EF. you can get a walboro for pretty good prices nowadays. 190lph or 255lph, depending on your power range.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by TRUcrxEr &raquo;</TD></TR><TR><TD CLASS="quote">i highly doubt a fuel pump would cause an intermitten studder like that. check your engine timing. and no a gsr fuel pump will not directly bolt into your EF. you can get a walboro for pretty good prices nowadays. 190lph or 255lph, depending on your power range.</TD></TR></TABLE>
so check the timing before going ahead with the fuel pump???..ill look it to the walboro also...its a stock gsr with a blox intake manifold....

 

whats the voltage at the fuel pump in the ON position? 12-13.0 is ideal