Help!! Cant seem to make it pass smog. (1 Viewer)

Spike Strip

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Would that be installed after that air injection pipe? Or before?

O2 sensor needs to be as vertically upwards as you can get it, before the Air Inj port, but you'll find it very difficult to drill and install a bung on the hard Stainless downpipe while the pipe is installed. Mine is kind of at 2- o'clock just before the Air Pipe pipe.

The Tail Pipe ones are really of little use because they don't help you tune the carb because the CAT cleans up much of the Exhaust. You want to measure the A/F before the CAT and before it's effected by Air Injection.
 

DFXR

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The Tail Pipe ones are really of little use because they don't help you tune the carb because the CAT cleans up much of the Exhaust. You want to measure the A/F before the CAT and before it's effected by Air Injection.

Agreed, but I am just interested in this for pre-test info via the A/F ratio. And I know it is not going to give me a 3-gas breakdown. Just more info than what I have otherwise.
 

Spike Strip

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I have an Innovate portable also and it doesn't do much for the trucks with a CAT. LINK

Here's a short vid of how it works with a pre-CAT FJ40 (at end of vid). This was a problem Carburetor.

FWIW, if you have multiple carb'd vehicles, you can weld a bung into each one and use the Innovate for each one without having to install a meter in each vehicle. The Bungs come with a threaded plug to cap them off when not used. Just use plenty of high-temp antiseize so you can get the plug out when you need to.

 
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RodrigzCrzr

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I have an Innovate portable also and it doesn't do much for the trucks with a CAT. LINK

Here's a short vid of how it works with a pre-CAT FJ40 (at end of vid). This was a problem Carburetor.

FWIW, if you have multiple carb'd vehicles, you can weld a bung into each one and use the Innovate for each one without having to install a meter in each vehicle. The Bungs come with a threaded plug to cap them off when not used. Just use plenty of high-temp antiseize so you can get the plug out when you need to.

That’s what I need.
It is such a headache to try to get them right.
Thanks for that video
 

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