Question about 1997 Chevrolet Malibu

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I replaced the idle air control valve i drove for 34 miles everything was fine but, then i had to stop to get some gas and then the light turn back on......why is that? how do i correct the problem?

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Iac needs to be syncranized to computer reve engine to just below rev limiter where engine goes up and down hold for two minutes (sounds like engine is blowing up but isnt ) do this twice for two minutes with the light out

Posted on May 28, 2011

  • nena10776 May 28, 2011

    huh? :-) i don't understand......how do i do this?

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Posted on Jan 02, 2017

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Honda stalls going from idle to driving


I recommend doing a leak down test. It could be valves or blow by. Also try cleaning the idle air control valve (IAC-V), the exhaust gas recirculation valve (EGR), and fast idle valve (if it has one).

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I have a 1997 dodge dakota 5.2 4x4. We drove the truck about 150 miles with multiple stops but on the last stop at the store it wouldnt start. It acted like a dead battery but with the key left on the...


It may not be the battery at all. Have a mechanic check the Throttle Position Sensor, the Idle Air Control Valve and the Manifold Air Pressure Sensor to see if any need replacement. If faulty, any of these can cause erratic idling and stalling. Good luck!

Manny

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I have replaced my fuel pump, filter, throttle position sensor, and relay on my 1992 jimmy. it runs but everytime it hits idle speed it cuts off. what could that be


It should have an idle air control valve which lets air into the intake to control the idle speed. The valve could be faulty, or dirty, or the throttle body could be dirty. The computer opens and closes the valve to regulate idle speed.

Jul 16, 2012 | 1992 GMC Jimmy

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I have a 2004 Jeep Grand Cherokee Laredo 4x4 with the 4.0L. It has approximately 150k miles on it. I started the Jeep with 1/4 tank of fuel in it and it started rough and acted like it was going to die....


long post.
ill reduce it for you.
misfires. (is RPM below 700 then misfire can be normal) for idle speed controls dead.
ISC the isc controls speed, of idle,.
mine stuck like zillion times, in 400k miles. endless.sticking
mine was a tiny gutless stepper motor drive ISC valve.
the cone valve is side gets nasty and sticks (
(PCV gases caused as seen on all engines)
i clean it.
the proof is the easy press of right foot easy raises idle back to 700rpm and engine stops misfiring.
ever get a tuneup this decade or running spark parts 500,0000 miles
for the new world record.?


now the tricky part of ISC, , fully explained in the SM serv. man.
the PCM learns its behaviors.
it learns all hot start settings and cold
so when you key on, it goes to the correct HISTORICAL spot.
if it can move there(sticks) engine car race.
or run too slow,
cold start would be worse, as hot isc is more closed
so if sticks there closed, the next cold start will be horrid
some newer manuals telly you to add 5% throttle if car is hard starting this is so common.

clean it. end story.
ISC

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2003chevy pu dies at stop lights, low idle whats wrong?


yea id definately try cleaning ur throttle body 1st. My 03 1500hd had the exact same bad idle after my battery went bad it would die at lights unless i kept foot on gas i cleaned throttle body runs perfect now took 30min cost 8$ for cleaner at autozone and theres how to videos on you tube

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We drove the vechile to corpus n then to our small hometown tivoli n ther following the day we were driving back n at a stop light it turned off on us n then we put it on park n we started it up n it...


This is idle air control error and with luck should be easy and cheap to remedy. Basically you need to clean out the interior of your throttle body and throttle plate thoroughly. Disconnect the air ducting between the air filter and the throttle body. Use a cloth and WD40 spray and clean the throttle throat and plate. rotate the plate and clean behind. If you have idle air control passage leading off from the throttle wall interior you will find the idle air control valve mounted on the side of the throttle with an electrical connection to it. Remove the connection and unbolt the valve. Clean the valve interior and the passages in the throttle leading to it. Reassemble everything in reverse order and that should be the job done

Oct 19, 2010 | 2004 Mercury Mountaineer

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2000 Ranger 4.0 Automatic 4x4 will not idle up at


Have you tried cleaning the throttle plates and idle air control motor

Nov 26, 2009 | 2000 Ford Ranger SuperCab

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Engine runs rough after about ten minutes /idles really low


Just trowing some suggestions out there, but, I would check the idle air control valve (solenoid) or the throttle position sensor. If they check out then my last guess would be the map sensor or the vaccuum to the map sensor. Hope I was able to help. Best wishes.

Jan 16, 2009 | 1991 Plymouth Laser

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