Will not stay running at idle

[JIMCAMPBELL]

my 98 explorer 4.0
starting hard and i have to fether the peddal to keep it running. I think it is ether the cat or bad injectors how can i tell or am I off bace.

Thanks Jim

 

[JIMCAMPBELL]

my 98 explorer 4.0
starting hard and i have to fether the peddal to keep it running. I think it is ether the cat or bad injectors how can i tell or am I off bace. The check engine light is not on so i was toled that it will not be any sencers.

Thanks Jim

 

[Carguy3J]

Ummm, not sure why you quoted you own post there, but I would start by checking out the IAC valve.

 

[JIMCAMPBELL]

thanks im not vary pc savy just lerning how 2 use this site

 

[JIMCAMPBELL]

where is the IAC valve located

 

[Mirge]

Near/on throttle body... it looks like this:

 

[JIMCAMPBELL]

thanks

 

[1998Explodasport]

Unplugg the MAF and see if it will idle.

 

[JIMCAMPBELL]

unplugging the maf let it edle high what dose that meen

 

[1998Explodasport]

I was pretty clear about it. Unplug the MAF (Mass Airflow Sensor) and see if your Explorer will idle with it unplugged. You could have a bad MAF, if it idles while unplugged then that is your problem. If the problem is still there then it might be the IAC as someone already stated above.