5.8 high idle
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As jethat posted earlier is the best way. Here's how, - you can use a propane torch , like you use for sweating copper. Attach a section of hose to it / open the valve , 1/4 turn or so and hold the hose next to gasket seams. Run the seam while checking , slowly (as best you can). - Take a breather if gas starts to get heavy, - let it clear and give it another shot.
If their leaking anywhere, your engine will let you know (do this w/engine running of course). It's the easiest and quickest way to check the intake gaskets. Hosing them down with chemical isn't a good way IMO. It's not accurate enough and with the engine running, it's also a PITA. Plus, applying what you are, isn't good at all lol.
You can check hose connections with propane as well.
BTW- Sounds like your IAC is trying to work, but you outside of idle rpm margins/parameters, making it unsuccessful.
Is this a edelbrock set up by chance?
If their leaking anywhere, your engine will let you know (do this w/engine running of course). It's the easiest and quickest way to check the intake gaskets. Hosing them down with chemical isn't a good way IMO. It's not accurate enough and with the engine running, it's also a PITA. Plus, applying what you are, isn't good at all lol.
You can check hose connections with propane as well.
BTW- Sounds like your IAC is trying to work, but you outside of idle rpm margins/parameters, making it unsuccessful.
Is this a edelbrock set up by chance?
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Join Date: Nov 2006
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Don't use flammables to check for a vacuum leak - use a stethoscope; either a ~$12 one from a parts-store, or a 3' section of garden hose. The usual spot for the plenum gasket to leak is under the center on the R side near where the 52 arrow is pointing:
The CEL has nothing to do with your ability to pull codes. Whether it works or not; whether it's on or not, you need something like this:
The CEL has nothing to do with your ability to pull codes. Whether it works or not; whether it's on or not, you need something like this:
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