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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

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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

1 Answer

I have a 98 sunfire 2.2 the idle started lobing up and down with iac code changed iac, tps, coil packs, fuel filter if its running at idle i can put my finger over iac port in the throttle body and it...

Dirty throttle body . Does it run good when you step on the gas pedal ? driving down the road . Don't guess , do fuel pressure testing . Videos on youtube showing how , fuel pressure tester under $30 most part stores .

Aug 06, 2017 | 1998 Pontiac Sunfire

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

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