Question about 1996 Mazda 626
I cannot believe that in all the posts regarding erratic idle resulting with engine dieing out...That no one has suggested possible fault in the MAF Sensor or IAC Motor??
If your car will stay running (as long as you keep the accelerator depressed and/or are doing the old faithful-two footed drive-dance @ lights/stops), try this (hopefully it helps you). Have someone start the car and keep the idle up/it started- While YOU go under the hood and (using a screwdriver HANDLE or your knuckles) tap on the MAF Sensor (on the outside of the housing) a few times. IF your idle changes while you are tapping ie:revs up or evens out THEN-->>you've found your problem. If this doesnt have any affect on your idle, try checking the IAC Motor/valve next. Hope this helps you. I hate that you are having trouble at all, esp trbl that seems to have you at your wits end. Let me know if this helped.
p.s. Have you tried switching your A/C ON when the rough/no idle happens? If not, humor me and give it a try? IF you do that and your idle comes up & car stays running, its most likely that IAC Motor/Valve. That little item works like the idle stop solenoid worked/works on cars with carburated fuel systems ;-)
Posted on Mar 11, 2013
Thanks for choosing Fixya and welcome to the site. You need fuel, air, and fire to start your vehicle. Since it starts for a second, you still need to check the fuel pump and filter. Check any fuses/relays to do with the fuel pump. Make sure the timing belt/chain is not broke. It can be spark plugs/coils, wires, distributor, dist.cap, coil packs. You could have a bad cam sensor or crank sensor. It can all lead back to a bad computer. In all honesty, it could be anyone of these. Your best bet, if you have a check engine light on, is trying to get a code of your computer. By doing this, it saves valuable time and money. If you can't, check everything you can cause any of the above can cause this. If you have any questions, feel free to ask. Thanks for using Fixya.
Posted on Apr 07, 2011
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Posted on Jan 02, 2017
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