Having problems with your 2001 Kia Spectra ?

When coming to a stop, unless I throw it in Neutral, it stalls and cuts off. It loses power and everything goes off, sometimes even while I'm driving it. . The KIA Dealer had it on diagnostic all day and couldn't find anything wrong (they had it twice). I took the car over for a day and it happened to me this morning - it does not happen all the time though.. It just seems to lose power and everything shuts down when it happens. Please advise.... I need help....

Posted / edited by AnonymousUser on : 18-02-2019

Answers :

There are several things that can happen intermittently that effect idle.
But even intermittent things should register on the ODBCII codes, if the check engine light comes on.
So you should have had them read the codes.
Autozone will do it for free.
But the EGR is a common item that stick open because of the gritty nature of exhaust, and it will prevent a car from idling if it does stick open. Try cleaning it. Or, by causing artificial suction at the control port, you should be able to make the ERG come on at idle. If the idle does not get worse, then the EGR must already be stuck open.
Another is the purge valve that releases vapor from the gas tank.
If that has a cracked hose or something, it can make the mixture too lean, which will be noticed the most at idle. Again, one of the easiest ways to check it is to make it work and cause the idle to get worse. You can do that just by opening the gas tank filler cap. If it does not change when you do that, there is probably something wrong with the purge valve.
Another possible cause would be the PCV water and oil vapor collecting on the air mass sensor. In cold weather, this foam will often condense on the sensor and make it off, effecting the mixture badly. This can be visually inspected and cleaned. If a constant problem, often one splices long hoses into the crankcase breather hose, in order to run it through a condensing filter before being allowed into the intake manifold.

There are many more possibilities, because unlike the old days, modern cars run on misplaced faith in delicate systems that are bound to fail.
Repair Help & Product Troubleshooting for 2001 Kia Spectra

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