intermit idle issue

[twowheelin6]

hey guys. i could use some help, my truck started doing this alot recently, it runs/drives great. but sometimes out of the blue the idle will drop and it runs a lil rough and the shakes a good bit. part or neutral the idle drops to 400 rpms runs rough, motor shakes, almost like it wants to stall, but doesnt, and in drive it idles at about 1500 or so, also rough, but it will clear its self up after a while or if i shut it off and restart its fine. its just doing it alot more now and im getting worried bout this. theres no codes as i check it, but well it did throw a code but the check engine light never come on, the light does work. it was a p2196, or somethin like that. 02 sensor signal stuck, rick, bank one sensor one. but never come on or throw it again since, im changing plugs and wires and fuel filter thursday. id really appreciate any help. truck is a 2006 reg cab, 2.3 2wd auto..

 

[ZRanger28]

could be your IACV is getting dirty and sticking slightly , that would cause roughness in the idle, both my 94's i have had to clean them and then they idle like champs


just need a can of carb clean/ throttle body clean, unbolt it and spray it out, rub it clean on the inside with ear swabs until its clean, let dry and then reinstall.

it may help, but it certanly wont hurt either

 

[Hooligan]

could be your IACV is getting dirty and sticking slightly , that would cause roughness in the idle, both my 94's i have had to clean them and then they idle like champs


just need a can of carb clean/ throttle body clean, unbolt it and spray it out, rub it clean on the inside with ear swabs until its clean, let dry and then reinstall.

it may help, but it certanly wont hurt either

I agree, when you clean it, DO NOT USE A SOLVENT! I ruined 2 of them that way lol

 

[AJRN]

I have a 99 2wd, 2.5/5speed.

Similar issues, but occasionally will crank/start/die.

I know my ex's Explorer would do this/similar, and it ended up being the Idle Air Control. I'd have to clean it every couple years.
.

A few cranks, and it will start again, or little "ether" will speed this process. Using the "spray start" method, she fires up, without hesitation, and runs without issue.

Is there anything else I should consider?

It's a little rustbucket that I paid $700 for last fall, it's was occasionally reading maf codes (that I think could easily have been vac issues), the engine is currently running open at the exhaust manifold-- as the cat rusted off.

It surprisingly has run all summer like that, without appreciable change if fuel economy. It's noisy, but.. I'm nearly deaf, and surprisingly even the highway patrol hasn't complained. (so far)

The air cleaner has less than 5000 miles on it, looked okay..

I replaced the fuel filter a few weeks ago, pressure tested the pump.. It was consistently just over 60psi. It held pressure fairly well when the engine was shut off.



I've sprayed pb blaster on the IAC bolts, mhmm. There's rust on those, too..

I'll spray start it all winter, if that's my only "cost efficient" option. It doesn't detonate or otherwise seem to be adverse to a little huff of the stuff. Since I don't really "care" about the truck, I usually just spray it behind the passenger headlight.

She's been a good little truck for what I've paid, but it would be throwing "good money after bad" to do "much" in terms of repair.

It isn't leaking or using oil, or anything else for that matter. The a/c even worked.

But.. It's NWOhio, and the rustmonster has just made a snack of her.