67 Vacuum problems

Malexanders1967

New Member
May 6, 2004
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I have a problem that I can’t figure out. My car sputters and very low speeds but idles fine. If you get in the gas a lot it runs fine for the first part of the take off and then starts to sputter again. I have replaced some of the vacuum hoses and it seems to work for a little bit and then starts to do it again. ANY Solutions????
 
Message board troubleshooting 101: :)
Is this a condition that suddenly occured, or has it been around for a while?
Have you recently done any work which may have influenced this condition?
Verify if it is indeed a vacuum leak.
There's a couple of easy ways to do this:
While the engine is idling, use some spray carb cleaner, and spray around the vacuum hoses and lines, including where they connect to items. Take your time and do a very clse visual inspection as well. The engine speed will increase when the carb cleaner gets sucked in.

Get a vacuum gauge and connect it to a vacuum port. See if it's reading a steady number, or when it's fluctuating.

Of course check the obvious such as, dirty air filter, dirty fuel filter, tight and clean battery connections, etc.