ok replaced map sensor,tps sensor,iacv(3 all working),ect sensor still code 14. Finally checked the power line to IACV and no power. Tried multiple working ecu's and same problem. I dont have an idle problem, its when i floor it, the car holds back and then launches you forward (jerking). It only seems to do it when i smash on it. If i gradually gas it it wont hold back. (car b16a block/b16a2 head 99si harness)...When i start the car idle is below 1000 and wants to die but i leave it alone and will rise slowly. How would i get power to the iacv and is that causing the holding back?? please help!

 

 

if it has no power check the wires from the terminaotr plug near the clutch master cylinder area. also, check the adjustment of your tps. if it is too far out of adjustment, it will cause that code.

 

more more more!

 

Most Hondas are set to idle @ 750 - 800rpm it's not going to die just because it idles below 1000RPM. Do you have any mods done to the car, fuel system, ignition system or intake.? Have you adjusted the idle speed screw or FITV? Or is this a stock untouched engine?

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by GhostAccord &raquo;</TD></TR><TR><TD CLASS="quote">Most Hondas are set to idle @ 750 - 800rpm it's not going to die just because it idles below 1000RPM. Do you have any mods done to the car, fuel system, ignition system or intake.? Have you adjusted the idle speed screw or FITV? Or is this a stock untouched engine?</TD></TR></TABLE>

-Idle drops below the normal 750-800 rpm, And yes when it idles the car shakes/sputters and i give a little gas so it get the rpm up. About 30 seconds/1 minute then idle goes up. I have already adjusted idle screw still nothing. Fuel system,ignition system is stock. Header/Itr manifold, Straight pipe converted to obd1. Also does the 99 si even have a FITV? Seems like the fitv was on the earlier si models





Modified by joshcuhz at 1:18 PM 2/3/2008

 

I believe obdII cars did not come with the FITV.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Rickdrizzle &raquo;</TD></TR><TR><TD CLASS="quote">I believe obdII cars did not come with the FITV.</TD></TR></TABLE>

My OBD2 has a FITV. My bad, I guess only the Accords still used a type of fast idle valve after 98.

Did you use a voltmeter/multimeter to adjust your new TPS after you installed it?

When you checked for power at the IACV was the car running?

 

Yes, You may have to re-adjust the TPS.

 

Thanks for the replys...


I had the light before put in the new tps....whats the correct reading for the tps???

 

any other ideas/sensors it could be?

 

Check to make sure that you didn't mix up the TPS and MAP sensor connectors

The TPS voltages are as follows
Approx. 0.5 @ closed throttle
Approx 4.5 @ WOT

If your TPS voltages check out and your TPS and MAP connectors are hooked up properly try this:

You said that you have no power to the IACV.

Reset the ECU - Disconnect your (-) battery terminal for 30 seconds.
Start your car and see if the DTCode 14 comes back.
If it does, and I assume that it will. Keep the car running and unplug the IACV.
Measure the voltage between the YEL/BLK wire and chassis ground.
If there is no voltage repair the open in the wire or poor connection between the IACV 2P connector and the main relay.

If there is voltage than you will have to check the ECU connection.
You will have to have access to the pins on your ECU to do this.
with your ignition on jump pins A9 and A23 repeatedly.
Does the IACV click?
If it does there is a problem in the ECU
If it doesn't check for an open or short in the wire between the IACV and ECU (A9) if the wire tests out ok replace the IACV.

 

sounds like a mission but ill give it a try!! thanks


ANY MORE!!!!????

 

good luck man, let us know how it goes.

 

 

 

*update...high end lagging and gassing lagging is gone. Vtec solenoid wire plug was damaged so vtec would engage and dis engage. Repaired it and and no holding back. But i still have code 14 and cold starting idle verly low and sometimes dies


Modified by joshcuhz at 11:04 PM 2/7/2008

 

anyone?