Muffled pop now runs very rough

[PJC]

The other morning I was starting my B4000 and there was a muffled pop (like when you used to pop those brown paper lunch bags) and she sputtered and stalled. I can get her to turn over and ever drive, but she runs very rough and as soon as I drop her into neutral she stalls (if I don't keep my foot on the gas).
Any pointers as to where to start?
Thanks

 

[gw33gp]

Check to see if when it popped it blew off a vacuum hose somewhere. Also check all of your electrical connections. Something like the idle air control may have come loose. That will kill the engine and make it run rough.

 

[Twizzler09]

if the motor is dying at idle, I would think vaccum leak. But you say there was a "pop"?

I'd wonder if a hose burst somewhere. If I were you I'd get a flashlight, open the hood and start checking everything within sight, see if there is any broken hoses, etc.

Its a starting place, at the very least.

 

[CheapThrillB2]

sputtered back fire through the intake covered the MAF with crap, try taking it out and cleaning it off

 

[Wicked_Sludge]

backfiring through the intake can kill a maf (they really dont like that).

but it shouldnt be backfiring without a cause.