2005 Tahoe Ticking

[JPVortex]

In my most recent videos does it seem like it is misfiring still? I'm having a hard time telling if it is to be honest. Its idling how it always has but I'm wondering if its always been a rough idle and I just never paid attention to it.

 

[TollKeeper]

Start with the suggestion of the Brake Clean/Carb Cleaner, and see if you can find the source of the hiss. I can hear it, but no idea where its coming from.

Dont only spray around the vacuum lines. Also spray around the intake ports, the intake snout, the throttle body.

 

[mattbta]

IIRC, even the cheap Elm based OBD adapters with Torque Pro app will show individual cylinder misfire counts. I don’t recall what the parameters for setting a code are though.

 

[Fless]

Think about taking care of that pulley noise and get that out of the way.

 

[TollKeeper]

Or at least taking the belt off during diagnostics, it will cut down on a lot of noise. Just make sure to not let the engine run for too long.

 

[JPVortex]

@TollKeeper
Sprayed around intake ports and vacuum lines that I could see(could only see a couple) nothing happened to the idle. I forgot to do the throttle body gasket but Im going to replace while the body is off anyways. The hiss is definitely coming from the drivers side.

@mattbta Will def look into that, thanks!


@Fless Def a really good idea lol.


Here is a video of the idle without belt on

Some of the noise is also the muffler delete, which I'm going to be putting a muffler on soon.

Here is a picture of the throttle body. Will definitely be cleaning this very well, its nasty.

If none of this stuff helps I'm going to try regapping the plugs.

 

[JPVortex]

Does anyone have a vacuum line diagram? How many vacuum lines are there?

 

[OR VietVet]

Does anyone have a vacuum line diagram? How many vacuum lines are there?

I swear to GOD, that if a site did nothing but supply vacuum and electrical diagrams, they could make bucks. I know a site or two has general info for vehicles but JUST the schematics I talk about would be great.

 

[JPVortex]

I swear to GOD, that if a site did nothing but supply vacuum and electrical diagrams, they could make bucks. I know a site or two has general info for vehicles but JUST the schematics I talk about would be great.

That would be amazing! And they'd be rich haha, may consider investing the money into a smoke machine, can't go wrong with one.

 

[rockola1971]

I swear to GOD, that if a site did nothing but supply vacuum and electrical diagrams, they could make bucks. I know a site or two has general info for vehicles but JUST the schematics I talk about would be great.

There is already such a creature. Haynes.com