stumbling

[99RangerBoss]

hey guys i have been having a funny problem with my truck when ever i rev my engine when its warm it will stumble only off idle and when its warm, so i changed my fuel filter and the problem still exists any ideas would be greatly appreciated.

 

[jhammel85]

Check Engine light on? How old are the spark plugs in it?

 

[99RangerBoss]

yeah the check engine light just came on this morning but my obdII reader says it can't connect so i don't know why its on and i changed the plugs when i got the truck at about maybe 115000 kms and now im at 173000 should i change them too?

 

[jhammel85]

Hmm...Wonder why it won't connect. It's connected with the key on, engine off right? Dumb question, I know...Just making sure!

As far as the plugs...They last (typically) 40-60k miles. In Killometers, I know you are some what on the brink of those being an issue. Easy check would be to pull one and check its gap and condition. I would normally try both number 1 and 6 cyls.

 

[99RangerBoss]

ok ill check that and yeah i did it that way even read the manual lol but this thing is driving me nuts it won't even properly double clutch for down shifting cause you just can't tap the gas you gotta punch it

 

[TomB1269]

The trans is syncronized, double clutching is only wasting gas.

 

[99RangerBoss]

lol i know it just makes down shifting more smoother to match your rpms to your motor so you dont shock the shit outta it