BAD GAS
Cargo Master
Joined: Apr 2010
Posts: 2,936
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From: Acworth, GA
When that happens, the first thing I would check for is a vacuum leak. That will cause the engine to die at idle. I have to replace my vacuum caps and some hoses all the time. So much so, that I keep a spare box of assorted size caps in my glove-box.
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Senior User
Joined: Sep 2011
Posts: 156
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From: Whispering Pines, NC
I've got a few diagrams of vacuum hoses on my truck...can you tell me the procedure for checking he hoses please? Am I looking for worn hoses and would I hear or feel air leaks?
Cargo Master
Joined: Apr 2010
Posts: 2,936
Likes: 9
From: Acworth, GA
Yes, worn or cracked hoses and caps. I would start with the caps first, then move to the hoses. If they have never been replaced, then I would just replace everything for good measure. But, that is just me personally. You might feel or hear the air leaks, or they could crumble and fall off in your hand. I usually start at the carburetor tree, that's where I find most of the bad caps. There is another way to test for vacuum leaks. Spray some carb cleaner on or near the suspected hoses while the engine is running, and you should hear a rise in the idle. That should get you in the general area, then you can narrow it down from there. I personally have only had to uses that way once or twice. I just find it easier to look for the offender, now that I know where it is likely to be hiding.
Postmaster
Joined: Jan 2012
Posts: 3,462
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From: Richmond
Does the truck bog down on acceleration? Like someone dropped an elephant on the bed while you were stopped? That'd be more indicative of a fuel starvation issue.
How low had you let the tank get? Does it normally get that low?
Another note on bad gas: find out when the stations you frequent get their gas supply, then don't fill up that day.
How low had you let the tank get? Does it normally get that low?
Another note on bad gas: find out when the stations you frequent get their gas supply, then don't fill up that day.
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