No power

[Krash63]

I've got a 95 k2500 454 4×4
It has no balls & is making loud air sucking noises thru the throttle body any help would be great

 

[RichLo]

The loud noise is probably just the Idle air circuit unless there is a massive vacuum leak. What diagnostics have you done so far? Vacuum leak check? Is there a check engine light on? Does it stumble or run rough? Have you done a standard tune up yet? More info the better unless your just complaining.

 

[Schurkey]

How old are the usual tune-up items--O2 sensor, cap and rotor, plug wires, spark plugs, PCV system check, fuel filter, ignition timing check including timing advance, etc?

What is the fuel pressure?

Connect a scan tool, verify EVERY sensor and the computer outputs.

 

[Supercharged111]

Was there a time when it did have power?

 

[RichLo]

You'd have better luck continuing your other thread about no power and add more details in there rather than starting a new one with no details at all. There's no magic fix that will re-empower your truck without diagnostics and vehicle history.

No power

Howdy all. I've got a 95 k2500 454 my alternator went bad on me one night & I ended up having to jump start it & drive 1/4ile to a friend's house. The next day I bought a new alternator & as I was driving it home started losing power( no balls) its been like that for awhile now & I can't seem...

www.gmt400.com

 

[Krash63]

The loud noise is probably just the Idle air circuit unless there is a massive vacuum leak. What diagnostics have you done so far? Vacuum leak check? Is there a check engine light on? Does it stumble or run rough? Have you done a standard tune up yet? More info the better unless your just complaining.

I've done a tune up plugs, wires vacuum lines are all fine I even replaced one of them to be sure. I replaced temp sensor thermostat & radiator cap as it was overheating quickly

 

[Schurkey]

How old are the usual tune-up items--O2 sensor, cap and rotor,.. ...PCV system check, fuel filter, ignition timing check including timing advance, etc?

What is the fuel pressure?

Connect a scan tool, verify EVERY sensor and the computer outputs.

I've done a tune up plugs, wires vacuum lines are all fine I even replaced one of them to be sure. I replaced temp sensor thermostat & radiator cap as it was overheating quickly

See above.