Question about Ford F-100
I just rebuilt my carb and it was rev in real high and then i put a hose on there and it will still start but then when i let go the gas it wont stay idling and t just dies but when i have it going it has this really bad sucking noise that seems to be commin from the carb what could the problem?
You have a vacuum leak that is altering the air /fuel mixture and producing high revs. Make sure that all the vacuum lines are connected including the one to the distributor. Turn the idle mixture screws all the way in then back out 2 1/2 turns . That should get the engine running enough to do a final tune of the carbys.
Posted on Oct 13, 2013
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Posted on Jan 02, 2017
SOURCE: Car idles too high and dies
The later 80's accords have a problem with idling being to high at start up, even when the ambient air temp does not warrant it. I have had a 86 and now an 87 accord and both did that. I pretty much deal with it, being as you cant hardly replace indiv carb parts. Adjusting the idle will do nothing to stop it either. I took my 86 to a shop when I still had it and he fixed it, but I cant remember what all he did. I know he drilled a couple small holes in the choke plate. I think that the thermowax valve is bad, but again, you cannot find just a thermowax valve or anybody who knows what it is. Replacement carb in my area is about $450. Like I said, you might just have to learn to live with a high idle at start up.
Posted on Sep 23, 2008
SOURCE: 1968 Jaguar E type Carb problem
notorious for being very hard to time both carbs ..sim. probs.haunt many multi carb . set ups just ask any one with old triumphs .if carbs have never been rebuilt i think it might be time .if they have it might be time to replace .if replacing try finding ones with a fule management system.
Posted on Jan 06, 2009
U have a huge vacuum leak somewere spray carb cleaner around the intake system. Double check to make sure no vacuum lines came off.
Posted on Oct 23, 2009
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Dec 11, 2013 | 1987 Ford Tempo
Here are the most common causes of idle surge, rough idle esp when cold, other symptoms include stalls at stops, slow idle speed, erratic idle speed, rough idle and engine hesitation (and other problems), it is in most cases the idle speed control air-bypass valve and or throttle valve and upper intake, these area's get full of gunk and combustion residue over the miles and cause idle issues (stalls, low idle) like yours, Get a can of intake cleaner from any local parts store, not carb spray, intake cleaner, it is made by a company called CRC, remove the air intake hose to the engine, hold the idle high so the engine won't stall, then spray the can of cleaner into the intake while keeping the engine running, use at least 1/2 the can, shut down the engine and disconnect the battery for 5 minutes, then restart and complete a number of mixed driving cycles, town, freeway, stop and go etc., after a few days the problem will go away as the system will relearn to the clean intake
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