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Where to get in NZ under bench Liquatec water filter

Model IAC-2512

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When starting the car I sometimes have to hit the throttle to get it start. I'm thinking of starting with the fuel filter and going from there. Any advice?


Idle air control. IAC. You didn't give a year, make, or model. First I would clean the throttle body and the IAC motor. If that doesn't clear up your problem. Replace the IAC motor. The reason for opening the throttle is because it is either dirty or the IAC motor is bad. There also could be wiring issues to the IAC.

Oct 16, 2014 | Cars & Trucks

1 Answer

1997 buick lesabre- scan codes p300,p420,p1870,p1641. new plugs,wires,oil,filter,throttle blade cleaned,maf sensor,tps changed. now no acceleration with rough idle. could it be iac valve?


How about a blocked exhaust converter

They only last 12 to 14 years, under perfect
fuel trim conditions, with no misfires & you have
those or did

You changed the fuel filter & checked pressure at the motor?

IAC-Idle air control--so no--idle control is not your problem

Oct 07, 2014 | Cars & Trucks

1 Answer

Do I have a possible IAC valve problem?


I would say that is EXACTLY what it is! you've already "tested" it.
you could try cleaning it out. carb and choke cleaner works good

Jun 22, 2012 | Hyundai Cars & Trucks

2 Answers

1994 gmc pickup- starts but when you put it in gear it dies, give it gas it will run but not good


It sound like your idle air control (IAC) valve is dirty and the fuel injectors. Try cleaning the throttle body and IAC with throttle body cleaner, if it's really bad you may have to use two cans of throttle body cleaner to make sure you have all of the carbon and varnish cleaned out. If this does not help, then there is a good chance that the IAC has gone bad and needs to be replaced but also check the wire harness to the IAC and TPS on the throttle body. Good luck and hope this helps and it would not hurt to replace the fuel filter also.

Dec 15, 2009 | 1994 GMC Sierra

1 Answer

My honda idles very high and low and erratic when iac disconnect


You need to have the throttle adjusted and since this will involve adjusting the air to fuel mixture you will most likely need a mechanic with a computer bench to do the work. Should cost around $40 to $50.

Sep 08, 2009 | 2000 Volkswagen GTI

2 Answers

Over reving on start up


make sure all the connectors are on the throttle body and nothing is binding. Jeeps have a service bullitin about something like this. Try removing the IAC and clean the pintal area or replace the IAC. I have a 93 wrangler and I have had this happen to me. I cleaned it and it worked. Try disconnecting the battery for a few minutes then try it again. This will reset the IAC to MIN. If this allows it to start at a lower RPM then you Isolated the problem. Try tappping on the IAC also. It may be sticking. Either way if anything make a difference then you will prabable need An IAC.Make sure you have no vacuum leaks anywhere. A vacuum leak will hold the idle higher also and the computer will close the IAC as far as possible to compensate.

Heres why you have a high RPM
When you start the car if you have a stuck open IAC or vacuum hose leak the O2 sensor will see this extra air and add fuel to compensate to maintaim a 14.7 to 1 ratio but also the computer will see your foot is off the gas and the throttle position switch is closed. Under this condition the computer will want a precalibrated RPM which is between 660 to about 750 rpm +or- some. It will close the IAC till it reaches this level.

Jul 14, 2009 | 1995 Jeep Wrangler

1 Answer

Changing air filter and fuel filter


Both are under the hood and easy to get to. As for the Air Filter nobody beats K&N they are simply the best. Any fuel filter thats the right one will do.

Jan 28, 2009 | 2007 Subaru Impreza WRX STI Limited Sedan

1 Answer

Idle control valve is not cutting down revs


possible vacuum leak into the manifold (inlet) or dirty iac causing it to stick remove and clean if this improves it renew the iac as cleaning never works for very long. if a K&N air filter is used remove it is bad for oxygen sensor, catalyst and iac as oil residue from filter can build up in iac causing it to stick. If none of these help check voltage to iac and feel for clicking when ignition is turned on and off .

Sep 29, 2008 | Lotus Exige Cars & Trucks

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