Recently installed an Omnipower TB on my 91 Integra. I’m having serious idle issues now. The car idles steadily at 2K RPM now and the CEL is on. I replaced the MAP sensor with one from a 94 Integra, the one on my car was mounted on the firewall, so i had to extend the wires to the new MAP sensor since it’s TB mounted. I tried adjusting the idle screw and nothing. I also replaced the TPS as well. When I got to adjust the TPS it either idles higher or stays the same. The car is throwing a Code 7, Throttle position sensor.
The car drives fine, it just idles high. It stays steady at 2K RPM and doesn’t come back down.
Has anyone else had this problem? Any ideas what else it could be? I’m stumped and frustrated. The car ran fine prior to the TB install.
Thanks for the help.
2 things… why did you install a larger than life throttle body? Do you have the supporting mods for a 70mm?
2 if youre still getting the cel for the tps then it either isnt adusted properly or you need to reset the ecu.
Im going to go out on a limb and assume you didnt install your new tps correctly. What method did you follow.
[QUOTE=DA_all_day;2320103]2 things… why did you install a larger than life throttle body? Do you have the supporting mods for a 70mm?
2 if youre still getting the cel for the tps then it either isnt adusted properly or you need to reset the ecu.
Im going to go out on a limb and assume you didnt install your new tps correctly. What method did you follow.[/QUOTE]
Currently the car has intake/header/test pipe/ 2.25 exhaust. I tried adjusting the TPS byt hand and it just would either idle higher or stay the same.
You’re supposed to use an OHM meter to measure voltage when you adjust the TPS. That’s how you calibrate them.
Also, your TB is going to be bottle-necked by the intake manifold because the opening is not 70mm. Either way, that is a bit big for an otherwise stock motor.
so no… you dont have the supporting mods for 70mm tb. put the stock one back on. you are gaining nothing and hurting your car by doing this mod. the easiest way to fix your problem is to put it back to stock. also trying to adjusting to the tps by hand says a lot about you and what youre doing with your car.
to fix your problem do this:
put the stock throttle body back on.
^This is brutally true. Haha
A tb on a car with only I/h/e mods will not benefit from this mod. A tb mod just create a literal string of required mods. In order to truly benefit from a larger tb, you will need an intake manifold, and definitely cams which depending on which ones you chose (which would dictate how well the tb would perform) would determine if you need to upgrade the valve train w/new valved and springs. Plus with aggressive cams you’ll need a good tune. To truly benefit fully from a tb you are well over $2k in quality aggressive parts.
This isn’t to scold you, maybe you didn’t know this, but research is your friend. I would put the stocker back on and keep the tb until you can do other mods that suite that tb better.
You should go no bigger than 62 mm or type r tb for stock mods. Intake, tb with stock manifold equals no significant gains. Time you would want a larger tb is 12:1 compression or more.