Ck Engine Light, High Idle!

[Kros383SS]

Well the first time i started my truck it idled between 600 to 700 rpms, when i shut it off and started it again it idles now at 1500 and no less, then the engine lite comes on and is not blinking just on.

All wires are hooked up including the front 02 sensors, comp tuned by Nelson.

And I wont be able to drive the truck for awhile, so I cant just have the code ck'd and I dont know anybody locally that has hptuners or efi live.

Any ideas is appreciated

[mean05]

where are you at...is there an autozone near by?

[Kros383SS]

where are you at...is there an autozone near by?

Truck cant go anywhere without a driveshaft, im about 15 miles from an autozone.

SW Houston

[Wtfan18]

hmmm if everything is hooked up im not sure. i started mine this weekend and without the o2 sensors it ran high probably like 1500 or so but with them in i think its probably around 8-900 i believe its hard to tell i have no tach lol..

[Wtfan18]

hmmm if everything is hooked up im not sure. i started mine this weekend and without the o2 sensors it ran high probably like 1500 or so but with them in i think its probably around 8-900 i believe its hard to tell i have no tach lol..

i had to shorten my driveshaft 1 inch and 3/4 for my t-56 does yours not fit either?

[mean05]

well damn...you check all your grounds....im lost on what it could be...sure someone will come in here and give you some advice

[RedHeartbeat]

It may simply be the crank relearn light. Do you have DBW or cable throttle? Is the butterfly closing completely against the stop?

[ChevyLee]

to me sounds like the tune is slightly off, mine was idling like that too, and i got it retuned live and allen fixed it. Sounds like u need to get it drivable an drive it to allens so he can use his magic on it.

[banker099]

check for any vacuum lines that arent hooked up on the intake manifold.


oh and my cel is on for fast idle too....welcome to the club!!

[Kros383SS]

hmmm if everything is hooked up im not sure. i started mine this weekend and without the o2 sensors it ran high probably like 1500 or so but with them in i think its probably around 8-900 i believe its hard to tell i have no tach lol..

I have an autometer tach and was amazed it worked.

i had to shorten my driveshaft 1 inch and 3/4 for my t-56 does yours not fit either?

Nope I had a 700r4 and now I got the 80e which is longer and has a bolt on yoke on the trans. Going with a telescoping driveshaft. $$$$$

well damn...you check all your grounds....im lost on what it could be...sure someone will come in here and give you some advice

Man I ck'd every connection and simply am lost as to what it could be.

It may simply be the crank relearn light. Do you have DBW or cable throttle? Is the butterfly closing completely against the stop?

Yep it cable operated and it does close completely, crank relearn I was afraid that would come up.

to me sounds like the tune is slightly off, mine was idling like that too, and i got it retuned live and allen fixed it. Sounds like u need to get it drivable an drive it to allens so he can use his magic on it.

Come on man dont say that! It runs too good..

check for any vacuum lines that arent hooked up on the intake manifold.
ck'd all that also


oh and my cel is on for fast idle too....welcome to the club!!

LOL