Snap-On 1982 C3 diagnostic machine
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6th Gear
Joined: Nov 2024
Posts: 6
Likes: 2
Snap-On 1982 C3 diagnostic machine
I bought a Snap-On Multi Scan diagnostic machine for ALCL (OBD1https://photos.app.goo.gl/Mqf5ojqtcKQkiJ9w6) cars from 1982-1986
I got it connected to the car today & it works but I don’t know what the paramaters are or what they should be. Has anyone ever used one of these?
it’s the same as the diag machine by MPSI.
I got it connected to the car today & it works but I don’t know what the paramaters are or what they should be. Has anyone ever used one of these?
it’s the same as the diag machine by MPSI.
Last edited by OzyMark; Nov 30, 2024 at 05:03 PM.
Is my vette stock?? HAHA
Joined: Oct 2015
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From: Im not allowed to tell you
2020 C3 of the Year Finalist - Modified
2020 Corvette of the Year Finalist (performance mods)
2019 C3 of Year Winner (performance mods)
2016 C3 of Year Finalist
https://www.corvetteactioncenter.com...codes-693.html all I could find for codes but you probably need the instruction manual. maybe contact this seller for a copy
https://www.ebay.com/itm/19327362484...Bk9SR4KRsafwZA
https://www.ebay.com/itm/19327362484...Bk9SR4KRsafwZA
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Joined: May 2006
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I bought a Snap-On Multi Scan diagnostic machine for ALCL (OBD1https://photos.app.goo.gl/Mqf5ojqtcKQkiJ9w6) cars from 1982-1986
I got it connected to the car today & it works but I don’t know what the paramaters are or what they should be. Has anyone ever used one of these?
it’s the same as the diag machine by MPSI.
I got it connected to the car today & it works but I don’t know what the paramaters are or what they should be. Has anyone ever used one of these?
it’s the same as the diag machine by MPSI.
Last edited by MelWff; Dec 1, 2024 at 11:09 AM.
Racer
Joined: Aug 2015
Posts: 384
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From: Pine Ridge FL
I have found these useful for checking for things that are reading within what I would expect like the coolant sensor, map, and o2 sensor. You can use it to read codes if you don't like counting flashes. 
You don't really need one of these things to do these things but saves a lot of time.
Where these come in handy is when you understand the system well, things like the crossover counts, integrator, and BLM will give you an idea how well the system is working. Unfortunately, the shop manual does not go into enough detail here. I'd suggest getting a used copy of Ben Watson's book "How to Tune & Modify Chevrolet Fuel Injection".
You don't really need one of these things to do these things but saves a lot of time.Where these come in handy is when you understand the system well, things like the crossover counts, integrator, and BLM will give you an idea how well the system is working. Unfortunately, the shop manual does not go into enough detail here. I'd suggest getting a used copy of Ben Watson's book "How to Tune & Modify Chevrolet Fuel Injection".
Thread Starter
6th Gear
Joined: Nov 2024
Posts: 6
Likes: 2
I have found these useful for checking for things that are reading within what I would expect like the coolant sensor, map, and o2 sensor. You can use it to read codes if you don't like counting flashes. You don't really need one of these things to do these things but saves a lot of time.
Where these come in handy is when you understand the system well, things like the crossover counts, integrator, and BLM will give you an idea how well the system is working. Unfortunately, the shop manual does not go into enough detail here. I'd suggest getting a used copy of Ben Watson's book "How to Tune & Modify Chevrolet Fuel Injection".
You don't really need one of these things to do these things but saves a lot of time.Where these come in handy is when you understand the system well, things like the crossover counts, integrator, and BLM will give you an idea how well the system is working. Unfortunately, the shop manual does not go into enough detail here. I'd suggest getting a used copy of Ben Watson's book "How to Tune & Modify Chevrolet Fuel Injection".
