Question about 1993 Ford Festiva
Hello, yes the problem could me related to a vacuum leak around the intake manifold or carburetor area. What technicians often do is listen for vacuum leaks or spray some carburetor cleaner spray (can) that you can get at an auto parts store around the rubber vacuum hoses to locate the leak. If the engine speeds up when your are spraying, you have located the leak.
The other problem that likely comes up is the EGR valve opening up too soon or when the engine revs and this causes the engine to cut out. You can block off the EGR valve to trouble shoot the problem. If blocking off the EGR valve solves your problem, then you know where the problem is.
Posted on Sep 12, 2009
You may have a vacuum leak they are common on old car replace all rubber vacuum line they are cheap and you may be surprised what you find.
Posted on Sep 11, 2009
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Posted on Jan 02, 2017
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